TM
HPW Mixing Console
Owner’s Manual
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HPW
Owner’s Manual
Model Number :
Serial Number :
opt- external PSU Serial
Owner :
Purchase Date :
Dealer Name :
Dealer Number :
Install Date :
Installed By :
Contact Number :
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Intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s
enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
Intended to alert the user of the presence of important operating and maintenance (servicing)
instructions in the literature accompanying the product.
CAUTION: Risk of electrical shock — DO NOT OPEN!
CAUTION: To reduce the risk of electric shock, do not remove cover. No user serviceable parts inside.
Refer servicing to qualified service personnel.
WARNING: To prevent electrical shock or fire hazard, this apparatus should not be exposed to rain or
moisture‚ and objects filled with liquids‚ such as vases‚ should not be placed on this apparatus. Before
using this apparatus‚ read the operating guide for further warnings.
Este símbolo tiene el propósito, de alertar al usuario de la presencia de “(voltaje) peligroso” sin
aislamiento dentro de la caja del producto y que puede tener una magnitud suficiente como para
constituir riesgo de descarga eléctrica.
Este símbolo tiene el propósito de alertar al usario de la presencia de instruccones importantes sobre la
operación y mantenimiento en la información que viene con el producto.
PRECAUCION: Riesgo de descarga eléctrica ¡NO ABRIR!
PRECAUCION: Para disminuír el riesgo de descarga eléctrica, no abra la cubierta. No hay piezas útiles
dentro. Deje todo mantenimiento en manos del personal técnico cualificado.
ADVERTENCIA: Para prevenir choque electrico o riesgo de incendios, este aparato no se debe exponer a
la lluvia o a la humedad. Los objetos llenos de liquidos, como los floreros, no se deben colocar encima
de este aparato. Antes de usar este aparato, lea la guia de funcionamiento para otras advertencias.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur la présence d’une tension dangereuse
pouvant être d’amplitude suffisante pour constituer un risque de choc électrique.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur qu’il ou qu’elle trouvera d’importantes
instructions concernant l’utilisation et l’entretien de l’appareil dans le paragraphe signalé.
ATTENTION: Risques de choc électrique — NE PAS OUVRIR!
ATTENTION: Afin de réduire le risque de choc électrique, ne pas enlever le couvercle. Il ne se trouve
à l’intérieur aucune pièce pouvant être reparée par l’utilisateur. Confiez I’entretien et la réparation de
l’appareil à un réparateur Crest agréé.
AVIS: Dans le but de reduire les risques d’incendie ou de decharge electrique, cet appareil ne doit
pas etre expose a la pluie ou a l’humidite et aucun objet rempli de liquide, tel qu’un vase, ne doit
etre pose sur celui-ci. Avant d’utiliser de cet appareil, lisez attentivement le guide fonctionnant pour
avertissements supplémentaires.
Dieses Symbol soll den Anwender vor unisolierten gefährlichen Spannungen innerhalb des Gehäuses
warnen, die von Ausreichender Stärke sind, um einen elektrischen Schlag verursachen zu können.
Dieses Symbol soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksam
machen, die Handhabung und Wartung des Produkts betreffen.
VORSICHT: Risiko — Elektrischer Schlag! Nicht öffnen!
VORSICHT: Um das Risiko eines elektrischen Schlages zu vermeiden, nicht die Abdeckung enfernen.
Es befinden sich keine Teile darin, die vom Anwender repariert werden könnten. Reparaturen nur von
qualifiziertem Fachpersonal durchführen lassen.
WARNUNG: Um elektrischen Schlag oder Brandgefahr zu verhindern, sollte dieser Apparat nicht
Regen oder Feuchtigkeit ausgesetzt werden und Gegenstände mit Flüssigkeiten gefuellt, wie Vasen,
nicht auf diesen Apparat gesetzt werden. Bevor dieser Apparat verwendet wird, lesen Sie bitte den
Funktionsführer für weitere Warnungen.
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IMPORTANT SAFETY INSTRUCTIONS
WARNING: When using electrical products, basic cautions should always be followed, including the following:
1.
Read these instructions.
2.
3.
4.
5.
6.
7.
8.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with a dry cloth.
Do not block any of the ventilation openings. Install in accordance with manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers)
that produce heat.
9.
Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades and a third grounding plug. The wide blade or third prong is
provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the
obsolete outlet.
10.
Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point
they exit from the apparatus.
11.
Only use attachments/accessories provided by the manufacturer.
12.
Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a
cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13.
14.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any
way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus,
the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15.
Never break off the ground pin. Write for our free booklet “Shock Hazard and Grounding.” Connect only to a power
supply of the type marked on the unit adjacent to the power supply cord.
16.
17.
If this product is to be mounted in an equipment rack, rear support should be provided.
Note for UK only: If the colors of the wires in the mains lead of this unit do not correspond with the terminals in your
plug‚ proceed as follows:
a) The wire that is colored green and yellow must be connected to the terminal that is marked by the letter E‚ the earth
symbol‚ colored green or colored green and yellow.
b) The wire that is colored blue must be connected to the terminal that is marked with the letter N or the color black.
c) The wire that is colored brown must be connected to the terminal that is marked with the letter L or the color red.
18.
Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in suscep-
tibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise
for a sufficient time. The U.S. Government’s Occupational Safety and Health Administration (OSHA) has specified the
following permissible noise level exposures:
Duration Per Day In Hours
Sound Level dBA, Slow Response
8
6
90
92
4
95
3
97
2
1 1⁄2
1
100
102
105
110
115
1⁄2
1⁄4 or less
According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs or protectors to
the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss, if
exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is
recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be
protected by hearing protectors while this unit is in operation.
SAVE THESE INSTRUCTIONS!
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WICHTIGE SICHERHEITSHINWEISE
ACHTUNG: Beim Einsatz von Elektrogeräten müssen u.a. grundlegende Vorsichtsmaßnahmen befolgt werden:
1.
Lesen Sie sich diese Anweisungen durch.
2.
3.
4.
5.
6.
7.
8.
Bewahren Sie diese Anweisungen auf.
Beachten Sie alle Warnungen.
Befolgen Sie alle Anweisungen.
Setzen Sie dieses Gerät nicht in der Nähe von Wasser ein.
Reinigen Sie es nur mit einem trockenen Tuch.
Blockieren Sie keine der Lüftungsöffnungen. Führen Sie die Installation gemäß den Anweisungen des Herstellers durch.
Installieren Sie das Gerät nicht neben Wärmequellen wie Heizungen, Heizgeräten, Öfen oder anderen Geräten (auch Verstärkern),
die Wärme erzeugen.
9.
Beeinträchtigen Sie nicht die Sicherheitswirkung des gepolten Steckers bzw. des Erdungssteckers. Ein gepolter Stecker weist
zwei Stifte auf, von denen einer breiter ist als der andere. Ein Erdungsstecker weist zwei Stifte und einen dritten Erdungsstift auf.
Der breite Stift bzw. der dritte Stift dient Ihrer Sicherheit. Sollte der beiliegende Stecker nicht in Ihre Steckdose passen, wenden
Sie sich bitte an einen Elektriker, um die ungeeignete Steckdose austauschen zu lassen.
10.
Schützen Sie das Netzkabel, sodass niemand darauf tritt oder es geknickt wird, insbesondere an Steckern oder Buchsen und
ihren Austrittsstellen aus dem Gerät.
11.
Verwenden Sie nur die vom Hersteller erhältlichen Zubehörgeräte oder Zubehörteile.
12.
Verwenden Sie nur einen Wagen, Stativ, Dreifuß, Träger oder Tisch, der den Angaben des Herstellers entspricht oder zusammen
mit dem Gerät verkauft wurde. Wird ein Wagen verwendet, bewegen Sie den Wagen mit dem darauf befindlichen Gerät besonders
vorsichtig, damit er nicht umkippt und möglicherweise jemand verletzt wird.
13.
14.
Trennen Sie das Gerät während eines Gewitters oder während längerer Zeiträume, in denen es nicht benutzt wird, von der
Stromversorgung.
Lassen Sie sämtliche Wartungsarbeiten von qualifizierten Kundendiensttechnikern durchführen. Eine Wartung ist erforderlich,
wenn das Gerät in irgendeiner Art beschädigt wurde, etwa wenn das Netzkabel oder der Netzstecker beschädigt wurden,
Flüssigkeit oder Gegenstände in das Gerät gelangt sind, das Gerät Regen oder Feuchtigkeit ausgesetzt wurde, nicht normal
arbeitet oder heruntergefallen ist.
15.
Der Erdungsstift darf nie entfernt werden. Auf Wunsch senden wir Ihnen gerne unsere kostenlose Broschüre „Shock Hazard and
Grounding“ (Gefahr durch elektrischen Schlag und Erdung) zu. Schließen Sie nur an die Stromversorgung der Art an, die am
Gerät neben dem Netzkabel angegeben ist.
16.
17.
Wenn dieses Produkt in ein Geräte-Rack eingebaut werden soll, muss eine Versorgung über die Rückseite eingerichtet werden.
Hinweis – Nur für Großbritannien: Sollte die Farbe der Drähte in der Netzleitung dieses Geräts nicht mit den Klemmen in Ihrem
Stecker übereinstimmen, gehen Sie folgendermaßen vor:
a) Der grün-gelbe Draht muss an die mit E (Symbol für Erde) markierte bzw. grüne oder grün-gelbe Klemme angeschlossen
werden.
b) Der blaue Draht muss an die mit N markierte bzw. schwarze Klemme angeschlossen werden.
c) Der braune Draht muss an die mit L markierte bzw. rote Klemme angeschlossen werden.
18.
19.
Dieses Gerät darf nicht ungeschützt Wassertropfen und Wasserspritzern ausgesetzt werden und es muss darauf geachtet
werden, dass keine mit Flüssigkeiten gefüllte Gegenstände, wie z. B. Blumenvasen, auf dem Gerät abgestellt werden.
Belastung durch extrem hohe Lärmpegel kann zu dauerhaftem Gehörverlust führen. Die Anfälligkeit für durch Lärm bedingten
Gehörverlust ist von Mensch zu Mensch verschieden, das Gehör wird jedoch bei jedem in gewissem Maße geschädigt, der über
einen bestimmten Zeitraum ausreichend starkem Lärm ausgesetzt ist. Die US-Arbeitsschutzbehörde (Occupational and Health
Administration, OSHA) hat die folgenden zulässigen Pegel für Lärmbelastung festgelegt:
Dauer pro Tag in Stunden
Geräuschpegel dBA, langsame Reaktion
8
6
4
3
90
92
95
97
2
1 ⁄
100
102
105
110
115
1
2
1
1
⁄
2
1
⁄
4
oder weniger
Laut OSHA kann jede Belastung über den obenstehenden zulässigen Grenzwerten zu einem gewissen Gehörverlust führen. Sollte
die Belastung die obenstehenden Grenzwerte übersteigen, müssen beim Betrieb dieses Verstärkungssystems Ohrenstopfen oder
Schutzvorrichtungen im Gehörgang oder über den Ohren getragen werden, um einen dauerhaften Gehörverlust zu verhindern. Um sich vor
einer möglicherweise gefährlichen Belastung durch hohe Schalldruckpegel zu schützen, wird allen Personen empfohlen, die mit Geräten
arbeiten, die wie dieses Verstärkungssystem hohe Schalldruckpegel erzeugen können, beim Betrieb dieses Geräts einen Gehörschutz zu tra-
gen.
BEWAHREN SIE DIESE SICHERHEITSHINWEISE AUF!
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INSTRUCTIONS IMPORTANTES DE SECURITE
ATTENTION: L’utilisation de tout appareil électrique doit être soumise aux precautions d’usage incluant:
1.
Lire ces instructions.
2.
3.
4.
5.
6.
7.
Gardez ce manuel pour de futures références.
Prétez attention aux messages de précautions de ce manuel.
Suivez ces instructions.
N’utilisez pas cette unité proche de plans d’eau.
N’utilisez qu’un tissu sec pour le nettoyage de votre unité.
N’obstruez pas les systèmes de refroidissement de votre unité et installez votre unité en fonction des instructions
de ce manuel.
8.
9.
Ne positionnez pas votre unité à proximité de toute source de chaleur.
Connectez toujours votre unité sur une alimentation munie de prise de terre utilisant le cordon d’alimentation
fourni.
10.
11.
12.
Protégez les connecteurs de votre unité et positionnez les cablages pour éviter toutes déconnexions accidentelles.
N’utilisez que des fixations approuvées par le fabriquant.
Lors de l’utilsation sur pied ou pole de support, assurez dans le cas de déplacement de l’ensemble enceinte/
support de prévenir tout basculement intempestif de celui-ci.
13.
14.
Il est conseillé de déconnecter du secteur votre unité en cas d’orage ou de durée prolongée sans utilisation.
Seul un technicien agréé par le fabriquant est à même de réparer/contrôler votre unité. Celle-ci doit être contrôlée si
elle a subit des dommages de manipulation, d’utilisation ou de stockage (humidité,…).
15.
16.
17.
Ne déconnectez jamais la prise de terre de votre unité.
Si votre unité est destinée a etre montée en rack, des supports arriere doivent etre utilises.
Note pour les Royaumes-Unis: Si les couleurs de connecteurs du cable d’alimentation ne correspond pas au guide
de la prise secteur, procédez comme suit:
a) Le connecteur vert et jaune doit être connectrer au terminal noté E, indiquant la prise de terre ou correspondant
aux couleurs verte ou verte et jaune du guide.
b) Le connecteur Bleu doit être connectrer au terminal noté N, correspondnat à la couleur noire du guide.
c) Le connecteur marron doit être connectrer au terminal noté L, correspondant à la couleur rouge du guide.
18.
19.
Cet équipement électrique ne doit en aucun cas être en contact avec un quelconque liquide et aucun objet
contenant un liquide, vase ou autre ne devrait être posé sur celui-ci.
Une exposition à de hauts niveaux sonores peut conduire à des dommages de l’écoute irréversibles. La suscep-
tibilité au bruit varie considérablement d’un individu à l’autre, mais une large majorité de la population expériencera
une perte de l’écoute après une exposition à une forte puissance sonore pour une durée prolongée. L’organisme de
la santé américaine (OSHA) a produit le guide ci-dessous en rapport à la perte occasionnée:
Durée par Jour (heures)
Niveau sonore moyen (dBA)
8
6
4
3
90
92
95
97
2
1 ⁄
100
102
105
110
115
1
2
1
1
⁄
2
1
⁄
4
ou inférieur
D’après les études menées par le OSHA, toute exposition au delà des limites décrites ce-dessus entrainera des pertes de l’écoute chez la
plupart des sujets. Le port de système de protection (casque, oreilette de filtrage,…) doit être observé lors de l’opération cette unité ou des
dommages irréversibles peuvent être occasionnés. Le port de ces systèmes doit être observé par toutes personnes susceptibles d’être expo-
sées à des conditions au delà des limites décrites ci-dessus.
GARDEZ CES INSTRUCTIONS!
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INSTRUCCIONES IMPORTANTES PARA SU SEGURIDAD
CUIDADO: Cuando use productos electrónicos, debe tomar precauciones básicas, incluyendo las siguientes:
1.
Lea estas instrucciones.
2.
3.
4.
5.
6.
7.
8.
Guarde estas instrucciones.
Haga caso de todos los consejos.
Siga todas las instrucciones.
No usar este aparato cerca del agua.
Limpiar solamente con una tela seca.
No bloquear ninguna de las salidas de ventilación. Instalar de acuerdo a las instrucciones del fabricante.
No instalar cerca de ninguna fuente de calor como radiadores, estufas, hornos u otros aparatos (incluyendo amplificadores)
que produzcan calor.
9.
No retire la patilla protectora del enchufe polarizado o de tipo “a Tierra”. Un enchufe polarizado tiene dos puntas, una de
ellas más ancha que la otra. Un enchufe de tipo “a Tierra” tiene dos puntas y una tercera “a Tierra”. La punta ancha (la
tercera ) se proporciona para su seguridad. Si el enchufe proporcionado no encaja en su enchufe de red, consulte a un
electricista para que reemplaze su enchufe obsoleto.
10.
Proteja el cable de alimentación para que no sea pisado o pinchado, particularmente en los enchufes, huecos, y los puntos
que salen del aparato.
11.
Usar solamente añadidos/accesorios proporcionados por el fabricante.
12.
Usar solamente un carro, pie, trípode, o soporte especificado por el fabricante, o vendido junto al aparato. Cuando se use
un carro, tenga cuidado al mover el conjunto carro/aparato para evitar que se dañe en un vuelco. No suspenda esta caja de
ninguna manera.
13.
14.
Desenchufe este aparato durante tormentas o cuando no sea usado durante largos periodos de tiempo.
Para cualquier reparación, acuda a personal de servicio cualificado. Se requieren reparaciones cuando el aparato ha sido
dañado de alguna manera, como cuando el cable de alimentación o el enchufe se han dañado, algún líquido ha sido
derramado o algún objeto ha caído dentro del aparato, el aparato ha sido expuesto a la lluvia o la humedad, no funciona de
manera normal, o ha sufrido una caída.
15.
Nunca retire la patilla de Tierra.Escríbanos para obtener nuestro folleto gratuito “Shock Hazard and Grounding” (“Peligro
de Electrocución y Toma a Tierra”). Conecte el aparato sólo a una fuente de alimentación del tipo marcado al lado del cable
de alimentación.
16.
17.
Si este producto va a ser enracado con más equipo, use algún tipo de apoyo trasero.
Nota para el Reino Unido solamente: Si los colores de los cables en el enchufe principal de esta unidad no corresponden
con los terminales en su enchufe‚ proceda de la siguiente manera:
a) El cable de color verde y azul debe ser conectado al terminal que está marcado con la letra E‚ el símbolo de Tierra
(earth)‚ coloreado en verde o en verde y amarillo.
b) El cable coloreado en azul debe ser conectado al terminal que está marcado con la letra N o el color negro.
c) El cable coloreado en marrón debe ser conectado al terminal que está marcado con la letra L o el color rojo.
18.
19.
Este aparato eléctrico no debe ser sometido a ningún tipo de goteo o salpicadura y se debe tener cuidado para no poner
objetos que contengan líquidos, como vasos, sobre el aparato.
La exposición a altos niveles de ruido puede causar una pérdida permanente en la audición. La susceptibilidad a la pérdida
de audición provocada por el ruido varía según la persona, pero casi todo el mundo perderá algo de audición si se expone
a un nivel de ruido suficientemante intenso durante un tiempo determinado. El Departamento para la Salud y para la
Seguridad del Gobierno de los Estados Unidos (OSHA) ha especificado las siguientes exposiciones al ruido permisibles:
Duración por Día en Horas
Nivel de Sonido dBA, Respuesta Lenta
8
6
4
3
90
92
95
97
2
1 ⁄
100
102
105
110
115
1
2
1
1
⁄
2
1
⁄
4
o menos
De acuerdo al OSHA, cualquier exposición que exceda los límites arriba indicados puede producir algún tipo de pérdida en la audición.
Protectores para los canales auditivos o tapones para los oídos deben ser usados cuando se opere con este sistema de sonido para preve-
nir una pérdida permanente en la audición, si la exposición excede los límites indicados más arriba. Para protegerse de una exposición a
altos niveles de sonido potencialmente peligrosa, se recomienda que todas las personas expuestas a equipamiento capaz de producir altos
niveles de presión sonora, tales como este sistema de amplificación, se encuentren protegidas por protectores auditivos mientras esta uni-
dad esté operando.
GUARDE ESTAS INSTRUCCIONES!
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TM
HPW owner’s manual
table of contents
p.11
1 block diagram
p.14
2 mono input
p.21
4 stereo inputs
p.27
3 automix
p.28
5 groups
p.33
6 auxes
p.35
7 left - right
p.37
8 mono output
contents
p.39
9 matrix mix
p.40
10 master section
p.53
11 power supply
p.58
12 specifications
appendices
p. 10
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block diagram
2
+48V
Mute Logic Signal
Mono
+10 dB
Mono
POLARITY
Left
MIC INPUT
Preamp
EQ ON
* Std Channels Only
L/R
Right
EQ
1
2
GRP 1
GRP 2
+
-
PAD
1-2
4
HI PASS
VCA
3
GRP 3
GRP 4
LO LO-MID HI-MID HI
PAN
3-4
5-6
7-8
Compr GR
Comp Thresh
GRP 5
GRP 6
LINE INPUT
Automix
Automix Enable
Mute Control
Mute
GRP 7
GRP 8
Controller
Priority
Mute
Aux 1
Aux 2
Aux 3
Aux4
INSERT
Cntrl
Automix
Cntrl Bus
PRE 1-6
Pre-Fader Pre EQ
Pre-fader/Post EQ
DIRECT OUTPUT
Mute Logic Signal
Pre-Insert
Pre-Source
Aux 5
Aux 6
Dir Out Post EQ Default
Pre-Source Select
Post EQ
* Std Channels Only
Aux 7
Aux 8
R
PRE 7-8
Signal/Peak/PFL
Mono channels Standard and Automix
G
PFL
Aux 9
PRE 9-10
PRE
Aux 10
Solo L
Solo R
Aux 7/9
Aux 7
Aux 9
Aux 8/10
Aux 8
Aux 10
* Automix Channels Only
Mono
Mono
Mute Logic Signal
Left
Left
L/R
1-2
3-4
5-6
7-8
Line 2
EQ
Right
+
-
Left
Mono R
+10 dB
+10 dB
Left
GRP 1
GRP 2
LO LO-MID HI-MID HI
Input 1
Gain 1
Right
GRP 3
GRP 4
Right
EQ
BALANCE
+
-
Right
GRP 5
GRP 6
Mono L
GRP 7
GRP 8
LO LO-MID HI-MID HI
Left
Input 2
Right
Left Pre-EQ
Aux Pre source L/R Bal
Aux 1
Aux 2
Aux 3
Aux4
Gain 2
Right Pre-EQ
PRE 1-6
BALANCE
Pre Source Default Post EQ
Aux 5
Aux 6
Mute Control
Mute
Aux 7
Aux 8
R
G
Left Pre-EQ
PRE 7-8
DIRECT OUTPUT
Mute
Left Post-EQ
Cntrl
Right Pre-EQ
Signal/Peak/PFL
Aux 9
Right Post-EQ
PRE 9-10
Dir Out Post EQ Default
Aux 10
Solo L
Solo R
Stereo Channels
PFL
Mono
Mono
Left
Left
Mute Switch
L/R
Right
EQ
Left
+10 dB
GRP 1
GRP 2
+
-
Left/Mono
1-2
HI PASS
LO
MID HI
Right
GRP 3
GRP 4
Input 1
+10 dB
3-4
5-6
7-8
Gain
Right
EQ
GRP 5
GRP 6
Right
+
-
HI PASS
GRP 7
GRP 8
LO
MID HI
PRE
Aux 7/9
Aux 7
Aux 9
Stereo Returns
Aux 8/10
Aux 8
Aux 10
Mute
Signal/Peak/PFL
R
G
Solo L
Solo R
+48V
PFL
Mute Control
Mute
Mute
MIC INPUT
2
Preamp
Cntrl
Aux 1
Aux 5
Aux 2
Aux 6
Aux 3
Aux 7
Aux4
Mute Logic Signal
Level
EQ
1
+
-
4
HI PASS
3
LO LO-MID HI-MID HI
BALANCE
+10 dB
Mute Level
MIC INPUT
2
Preamp
PRE
EQ
1
+
-
4
HI PASS
3
LO LO-MID HI-MID HI
Aux 8
Left Amb to Alt output
Right Amb to Alt output
Default Aux Sends to 5, 6, 7 & 8
Direct Output L/R
Solo L
Solo R
Signal/Peak/PFL
PFL
Ambience Mic Inputs
R
G
p. 11
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HPW owner’s manual
block diagram
2
SUB-GROUPS 1-8 and AUXILIARIES 1-8
AFL
Solo L
Solo R
Signal/Peak/AFL
GROUP INSERT 1 OF 8
GROUP 1-8
Mute
+10 dB
GROUP OUTPUT 1 OF 8
Mono
Mono
Left
GC
L/R
FADER FLIP
Right
PAN
PRE
Signal/Peak/AFL
MTX 1
MTX 2
AFL
AUX OUTPUT 1-8
2
1
4
+10 dB
Solo L
Solo R
3
AUX 1-8
AUX INSERT 1-8
LEFT, RIGHT and AUXILIARIES 9, 10
AFL
Solo L
Solo R
Signal/Peak/AFL
LEFT, RIGHT INSERT
LEFT, RIGHT OUTPUT
LEFT, RIGHT
Mute
+10 dB
Mono
2
1
4
Mono
3
MTX 1
MTX 2
FADER FLIP
PRE
Signal/Peak/AFL
AFL
AUX OUTPUT 9, 10
AUX INSERT 9, 10
+10 dB
Solo L
Solo R
AUX 9, 10
MONO OUTPUT
AFL
Solo L
Solo R
Signal/Peak/AFL
MONO INSERT
MONO OUTPUT
MONO
Mute
+10 dB
2
1
4
MTX 1
MTX 2
PRE
3
MATRIX OUTPUTS 1,2
AFL
Solo L
Solo R
Signal/Peak/AFL
MATRIX 1, 2
MATRIX OUTPUT 1, 2
+10 dB
GC
ALTERNATE OUTPUTS 1, 2
Solo L
Solo R
AFL
ALT OUTPUT 1,2
Signal/Peak/AFL
LEFT
2
1
4
Mono
OUTPUT MONO
3
Left
L/R
Right
RIGHT
MTX 1
2
1
4
MTX 1
3
MTX 2
DIRECT OUTPUT
MTX 2
GAIN REDUCTION
GC
LEFT
AMBIENCE
OUTPUT DYNAMICS CONTROL
AMB L
AMB R
GC
RIGHT
LIMIT THR GAIN CMP RATIOCMP THR EXP THR
p. 12
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block diagram
2
+48V
TALKBACK
Mono
L/R
Mono
Internal Jumper
Left
Right
MIC INPUT
Preamp
GRP 1-8
AUX 1, 2
AUX 3, 4
AUX 5, 6
AUX 7, 8
AUX 9, 10
1
2
+
-
4
3
TALK
MONITOR
MONITOR SOURCES ARE PRE-FADER
Ret 2
Ret 2L
Ret 2
Ret 2R
Mono
Mono
Mono
GC
Mono
LEFT
Left
L/R
Right
SUM MONO
GRP 1
1-2
GRP 2
GC
GRP 3
RIGHT
3-4
MONITOR LEVEL
SOLO OFF
GRP 4
MONITOR OUTPUTS
GRP 5
5-6
GRP 6
GRP 7
7-8
GRP 8
Solo L
Solo R
HDPH LEVEL
HEADPHONE OUTPUT
SOLO
SOLO CONTROL BUS
12 V LAMP JACKS
+V
LEFT OF MASTER
RIGHT OF MASTER
AUTO RESETABLE FUSE
MAX LOAD 3 LOW INTENSITY or 2 HIGH INTENSITY LAMPS PER SIDE
THE NUMBER OF LAMP JACKS IS DEPENDENT ON CONSOLE SIZE
EDIT/CANCEL
1
MASTER MUTE
STORE
2
3
4
SCENE
SINGLE SCENE
CONTROLLER
5
6
7
8
p. 13
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HPW owner’s manual
mono input
3
1
+48V - +48 volts DC is applied equally (through current-limiting resistors) to both pins 2
and 3 on the mic-input XLRconnector. This feature is used with condenser micro-
phones and active direct boxes that require an external DC voltage (phantom power)
in order to operate.
The 48V switch should
a
not be engaged when using
standard (dynamic) microphones
or other sources that do not use
phantom power.
For dynamic or ribbon mics,phantom voltage is not required and should be switched
OFF.
NOTE:Operating this switch (“ON” or“OFF”) causes large voltage swings to occur
at the input of the mic preamp.Care should be taken to insure that the channel is
muted,or the main faders are pulled down,to prevent a“pop” from reaching the audi-
ence.
If the channel peak LED is
illuminated, first try lowering
the input gain control.
2
pad - When engaged,the input signal is attenuated by 25dB to prevent strong signals
(from kick drums or lead vocals,for example) from overloading the preamp stage.The
pad is used to bring a hot mic-input signal down to a controllable level,or when a line-
level signal is present at the XLR input jack. This affects both the XLR and the 1/4”
inputs.
+
Only when this method is
unsuccessful should the pad switch
be engaged.
3
4
gain - The Input gain control range is closely related to the status of the PAD switch.
In order to establish proper gain structure in the console,input gain settings must be set
correctly,using the PFL switch and Solo system.The optimum gain setting will result in a
0dB level when checked using the PFL metering.
polarity (reverse) - This feature reverses the phase of the input signal and is used for
correcting or minimizing polarity and phase related errors.For example,occasionally a bal-
anced input connection is reverse-wired before it gets to the mixing console.This can hap-
pen in microphones,or in snake line interfaces.By using the polarity button,this type of
error can be corrected.
When similar signals from
different channels are com-
bined, phase cancellations can occur.
+
+
normal polarity (Pin 2 Hot) - switch“IN” position reverses polarity
5
lo-cut filter - This filter reduces or eliminates unwanted low frequencies without
substantially affecting the program material.Quite often,such unwanted low frequen-
cies are included with mic- or line-input signals.For example,stage rumble or wind can
be picked up through vocal mics.The cut-off frequency of the filter is 70 Hz and the
slope is -18dB per octave.This type of filter is also referred to as a Hi-pass filter (HPF).
It allows the hi-frequencies to pass,but it stops the lo-frequencies.
Reversing the polarity of an input
signal can often minimize such
phasing errors.
lo cut switch
When this button is depressed,Lo-Cut filter is on.
When performing outdoors,
wind-induced, low-frequency
rumble can get into the input
channels thru the microphones.
Engaging the Lo-Cut filter can
eliminate these power-stealing low
frequencies.
p. 14
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mono input
3
EQ features
Many audio signals coming into the console require some degree of corrective equaliza-
tion in order to be part of a good sounding mix.
The input EQ consists of four-bands:high,high-mid,low-mid and low. The high and low
bands have fixed frequencies,while the high-mid and low-mid bands are sweepable,with
their higher and lower frequencies overlapping adjacent bands.
1
2
6
7
high frequency—HF
15dB boost and cut at 12kHz—Shelving Response
3
high-mid frequency—HM
4
5
Selectable frequency range of 500Hz to 10 kHz
The response is bell-shaped with a fixed Q of 1.5.
15dB boost and cut centered at the selected frequency
6
8
9
low-mid frequency—LM
Selectable frequency range of 100Hz to 2kHz.
The response is bell-shaped with a fixed Q of 1.5.
15dB boost and cut centered at the selected frequency
7
low frequency—LF
15dB boost and cut at 80Hz—Shelving Response
10 eq on
When the button is“OUT,” the EQ circuits are bypassed.
When the button is“IN,” the EQ circuits are engaged. This switch can be used to make
A/B comparisons between "flat" and equalized signals.
8
aux send features
Ten aux sends are available for creating individual output mixes. These mixes can be used
for driving effects processors,providing monitor mixes,creating broadcast or alternate
sound reinforcement mixes,or other special requirements. With the corresponding PRE
switches in the“OUT” position,theAux sends are fed from the Post-fader channel signal.
When the PRE switch is depressed (“IN”),the correspondingAux sends are fed from
the Channel’s Post-EQ,Pre-fader signal. An internal option allows the user to change this
PRE point to the Pre-Insert,Pre-EQ signal on a channel-by-channel basis. AllAux sends
are affected by the channel Mute switch.
9
10
p. 15
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HPW owner’s manual
mono input
3
11
PRE (aux 1–6) - The default signal source for these Aux sends is post-fader.
This switch is used for selecting the Pre-fader signal forAuxes 1-6. The normal Pre-
fader signal is derived Post-EQ.
(See internal jumper options on page 18.)
11
Aux sends are Post-EQ,Post-fader
Aux sends are Post-insert,Post-EQ,Pre-fader
aux send level 1–10
12
13
These knobs adjust the amount of signal sent to the correspondingAUX buses.Unity
gain occurs at the zero setting,with 6dB additional gain is available above that.
PRE (aux 7–8 and aux 9–10 ) - The default signal source for theseAUX
SENDS is post-fader.These switches are used for selecting the Pre-fader signals for
Auxes 7-8 and 9-10.The normal Pre-fader signal is derived Post-EQ.
(See internal jumper options on page 18.)
When button is in the “OUT” position, aux sends are Post-EQ,Post-fader.
When button is in the “IN” position, aux sends are Post-insert,Post-EQ,Pre-fader.
12
bus assignment features
The Input bus assignment section offers considerable flexibility for creating what
eventually becomes the main output mix.Channels can be assigned to the indepen-
dent Mono bus,the pan-paired Left/Right buses,or any of the pan-paired subgroups
(1-2,3-4,5-6,7-8). All assignments are derived post-fader,post-eq,and post-mute.
pan control - The pan control positions the post-fader channel signal within the
stereo left-right field,or between the Odd and Even groups of an assigned pair.The
signal is down by approximately -3dB at the center-detent position when panning
across the buses.
14
15
bus assign
M (Mono)
Assigns the post-fader channel signal to the Mono Bus.The pan-pot position does not
affect the signal to the Mono bus.
13
L-R (Left- Right)
Assigns the post-fader,pan-pot signals to the Left and Right Buses.
1-2 (Groups 1-2)
Assigns the post-fader,pan-pot signals to the Group 1 and Group 2 Buses.
3-4 (Groups 3-4)
Assigns the post-fader,pan-pot signals to the Group 3 and Group 4 Buses.
5-6 (Groups 5-6)
Assigns the post-fader,pan-pot signals to the Group 5 and Group 6 Buses.
7-8 (Groups 7-8)
Assigns the post-fader,pan-pot signals to the Group 7 and Group 8 Buses.
p. 16
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mono input
3
channel muting features
The HPW™ is equipped with an 8-Scene muting system. An input channel can be
14
assigned to any of the 8 available groups (1 thru 8). When a Mute Scene preset (located
in the Master module) is active,all channels assigned to that scene are muted.In addition,
the local channel mute switch can be used to change the status of the channel indepen-
dently of any of the scenes. Remember, a channel that has been assigned to a mute
scene,but independently“muted or unmuted,” remains in the assigned group and will
continue to react to any commands given to that scene.
16
mute (local mute) - Pressing this switch will mute the output of the channel to
any of the assigned buses and anyAux sends.Pressing it when the channel is muted will
unmute the channel.
16
17
mute led -The associated red-LED illuminates when the channel is muted either by
its local mute switch,or when part of an active Mute Scene.
channel fader
The channel is fitted with a high-quality,100mm fader. Normal mixing range is around
the“0” mark,with up to 10dB fader-boost available when needed. All Post-fader feeds
from the channel are controlled by this fader (PostAux sends and Bus assignments).
15
17
channel monitoring features
The channel is equipped with a bicolor LED that displays the channel’s Pre-fader signal
level with varying intensity green illumination,and also indicates impending channel over-
load (within 3dB of clipping) by turning red.Channel clipping is sensed both pre- and
post-fader,so that preamp or EQ related problems are still indicated even when the fader
is down.
A PFL (Pre-Fader Listen) switch allows the operator to monitor the channel’s signal in
the console’s Solo system.When depressed,the channel’s pre-fader signal is sent to the
console’s Solo system (see Master section for details on the Solo system functions).
PK/Sig LED - Pre-Fader signal is shown as varying GREEN intensity. Channel clip
18
warning displays RED.
PFL - When this switch is depressed,the channel’s pre-fader signal is sent to the con-
sole’s Solo system. The channel LED illuminates RED to indicate that the PFL is active.
The Solo meters then indicate the channel’s PFL level.
Channel-LED status
flickering green - low signal level in the channel
steady green - good signal levels within the channel
green with flickering red - good signal levels with occasional peaks
steady red - PFL selected
18
®
The signal present circuitry is sensed at the top of the channel fader, so it sees the audio path, which runs from the preamp, into the lo-cut
filter, through the insert jack and finally through the EQ. The signal path has to be intact through all these stages for the green LED to illuminate.
Any gain changes or audio processing affects the signal-present LED. Also, since the PFL feed is taken from this same, pre-fader point, the Solo
meters and Solo headphones will monitor this overall channel signal.
p. 17
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HPW owner’s manual
mono input - options
3
Solder-Blob locations
PRE
INSRT
PRE
INSRT
D.O.
D.O.
CHAN 1
CHAN 5
CHAN 7
CHAN 3
CHAN 4
CHAN 8
CHAN 6
CHAN 2
HPW Input EQ PCB
POST
EQ
(Upper PCB)
POST
EQ
CHAN 8
CHAN 7
CHAN 6
CHAN 5
CHAN 4
CHAN 3
CHAN 2
CHAN 1
HPW Input
EQ PCB(upper)
HPW Input
EQ PCB (lower)
Closer Look- Chan1 & Chan2
PRE
INSRT
PRE
INSRT
D.O.
D.O.
CHAN 1
HAN 3
CHAN 2
POST
EQ
POST
EQ
p. 18
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mono input - options
3
user options
There are a number of user options available for the Mono inputs. These are implemented by way of solder-pads on
the back-side of the Mono Input circuit boards (upper EQ board of the pair). There are a number of solder-pads avail-
able,made up of split-circles of tinned copper.Solder is bridged (blobbed) across the 2 halves to complete the circuit and
implement the desired option.For the default setting,there is already a thin copper trace that connects the two halves,
completing the default connection.This existing trace MUST be cut (use an X-acto knife) before an option is implemented.
To change back to the default operation after an option was performed,remove the blobbed solder from the option
solder-pads (use a solder-sucker or solder-wick). Add a blob-link across the original,default pads to replace the thin trace
that was previously cut when the option was first performed.
aux “PRE” option
TheAux Sends on the Mono Input channels are normally fed by the Post-Fader/Post-Mute signal in the channel. There is
a PRE switch (3) associated with each set ofAux Sends that will change the feed to a Pre-Fader point in the channel’s sig-
nal path. There are two choices for this PRE point:Pre-Fader/Post-EQ and Pre-Fader/Pre-Insert.This change is done on a
channel-by-channel basis;each channel has its own set of solder-pads. All 3 of the PRE switches within that channel will be
affected by the option change.
NOTE: The channel MUTE always affects theAux sends,whether Pre or Post,optioned or not.
Pre-Fader/Post-EQ:This is the default setting for the PRE switch.The aux send signal is derived before the fader,but
after the channel EQ.
Pre-Fader/Pre-Insert:This is the option for the PRE switch. The aux send signal is derived before the EQ, and before
the Insert Send jack,so any external processing gear will NOT affect theAux sends.
direct out (D.O.) option
The Direct-Out jack on the Mono Input channels is normally fed by the Pre-Fader/Post-EQ signal in the channel. The
option changes this point to Pre-Fader/Pre-EQ. This change is done on a channel-by-channel basis;each channel has its
own set of solder-pads.
NOTE: The channel MUTE does NOT affect the Direct Out jack.
NOTE: The channel insert DOES affect the Direct Out jack.
Pre-Fader/Post-EQ:This is the default setting for the D.O.jack.The signal is derived before the fader,but after the
channel EQ.
Pre-Fader/Pre-EQ:This is the option for the D.O.jack. The D.O.signal is derived before the fader and before the
channel EQ.
The specified Solder-Blob (SBXX) shown in the table should be linked (by solder-bridging) to complete the circuit
and implement the indicated option.The table below shows the specific SBXX for each of the 8 channels on a cir-
cuitboard. Before implementing an option (by blobbing), be SURE to cut the existing thin copper trace linking the two
halves of the default SB. Failure to do so will result in channel operation problems and possible circuit damage.
HPW Mono Input
OPTIONSTABLE
“PRE” Feed For Aux Sends
Post-EQ (Default) Pre-Insert
Channel Direct Out
Post-EQ (Default) Pre-EQ
SB18 SB17
Chan-1
Chan-2
Chan-3
Chan-4
Chan-5
Chan-6
Chan-7
Chan-8
SB2
SB4
SB1
SB3
SB20
SB22
SB24
SB26
SB28
SB30
SB32
SB19
SB21
SB23
SB25
SB27
SB29
SB31
SB6
SB5
SB8
SB7
SB10
SB12
SB13
SB16
SB9
SB11
SB14
SB15
NOTE: The astute observer will notice that, because of the presence of the various solder-points within
the channel signal path, there are other possible connection options. For example: The Pre-EQ point that
is used for the DO option CAN be used to feed the Aux Pre circuits. Contact the factory for specific
information concerning non-standard options.
p. 19
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HPW owner’s manual
features overview
4
rear panel features
19
direct out 1/4"TRS jack - The input channel's signal is available at this output
jack. The default signal routing is derived Pre-fader/Post-EQ. This can be changed by an
internal option to Post-insert/Pre-EQ. The output jack isTRS,impedance-balanced.
20
insert jack - This switching 1/4”TRS jack allows an external signal processor to be
inserted into the signal path of the channel. The tip carries the SEND signal from the
channel,and the ring carries the RETURN signal back to the channel. The Insert-Send
point is located directly after the Lo-Cut filter on the
19
channel. The Return comes back into the channel at
the top of the EQ section.
The insert jack can also
+
be used as an additional
channel output when a Post-low
cut filter, Pre-EQ, Pre-fader signal
is needed.A “Borrow” plug can be
made by connecting the Tip and
Ring contacts together. The signal
obtained will be the Insert-Send
signal, but the channel signal path
will not be interrupted.
20
21
Tip is Send,Ring is Return,Sleeve isAudio Ground.
Send (output) impedance is 50Ω
Return (input) impedance is 5KΩ
Nominal Operating Level is +4dBu
NOTE: To avoid any degradation of the HPW’s
channel signal,any processing gear patched into the
channel insert should have a low impedance output
(<100Ω) and must be capable of cleanly driving a
2KΩ load to +21dBu.
21
22
line in - The Line Input is a 1/4” balanced (TRS) 10k ohm input. The tip is the
positive input, which should be used for unbalanced inputs. It has less gain than the
XLR input and does not have Phantom Power available. The Mic and Line inputs
should not be used simultaneously.
22
balanced XLR input connector - This balanced female XLR accepts a low-
impedance microphone signal,or a line-level signal,depending on the position of the PAD
switch on the front panel. NOTE: Pin 2 on Crest Products will always be Hot for both
in and out connections.
NOTE: Directly adjacent to the stereo inputs
(rear panel) there are four channels of mono inputs.
On these four channels,there is a combo line/mic
input jack. The line input accepts a 1/4” balanced
(TRS) input or 6.3 mm plug.
In situations where the
preamp circuitry is not
+
needed, the Insert Return
can be used as the channel’s input,
such as when using an expensive,
outboard tube mic preamp, for
example.
In these cases, the Tip contact of
the plug should not be connected.
The signal from the external pre-
amp should feed the Ring contact
(the Sleeve contact is the ground
return).
p. 20
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automix (optional)
5
automix
The automix option is comprised of a set of eight mono channels that have auto-
matic gain-shared mixing capability. The circuitry determines which input is the loud-
est and gives it dominance in the mix by reducing the level of other assigned inputs,
based on their individual instantaneous levels. Adding priority will cause a channel to
dominate,even if its level is lower than others. Also included is an adjustable thresh-
old,soft knee compressor with gain reduction metering that functions without affect-
ing the automatic mixing priorities (patent applied for).
compressor threshold
A
This control sets the point at which the soft-knee compression begins. The status
of this knob does not affect the the priority status of the channel when the automix
feature is engaged.
A
B
C
meter
B
This meter array indicates the amount of gain reduction activity.
D
priority
C
This switch provides added weight to a speaker or performer, by elevating the input
above other automix inputs.
When this button is in the“IN” position,priority is automaticallly given to this chan-
nel over others that are not pressed“IN” by signaling the automix circuitry that the
input signal is louder than it actually is.
NOTE: To avoid
possible transient
noise, channels
+
automix enable
D
This button places the channel in the automix function.
should be muted prior to
engaing the automix func-
tion.
When button is in the“OUT” position,the channel operates as any other mono
channel with the exception of compression.
When button is in the“IN” position,the channel is operating in the automix function,
regardless of bus assignment.
p. 21
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stereo input - options
5
gain 1&2 - These controls adjust the input gains of the two selectable inputs (TRS
23
24
25
and RCA).Both Left and Right circuits are simultaneously adjusted.Unity gain is at the
mid-point (with a detent),min and max gain adjust is 20dB. The stereo inputs were
designed for line-level sources and can accommodate a wide range of input levels.Use
the appropriate input when patching-in your external gear. For most semi-Pro or Pro
outboard gear with balanced output jacks,use Stereo Line input 1. TheTRS input jacks
accept balanced or unbalanced sources.Use an adapter plug or cable to patch-in XLR
gear. For semi-Pro or consumer equipment with RCA output jacks,use Stereo Line
input 2.
left,right and mono switchs - These buttons determine which signal(s) will
be routed to the main buses,subgroup buses or post fader aux sends. The Pre-Fader
Source (27) determines the source for the pre-fader aux sends.
both in the “OUT” position — true stereo signal passes through.
left button only in the“IN” position — only the left signal passes through.
right button only in the“IN” position — only the right signal passes through.
both in the“IN” position— a summed left and right mono signal passes through.
23
line 2 switch - This button selects which inputs are active (Line 1 or Line 2 Inputs).
By depressing this switch (“IN” position),line input 2 becomes active.
24
25
EQ features
Many audio signals coming into the console require some degree of corrective equaliza-
tion in order to be part of a good sounding mix.
Each Stereo Input is equipped with a fixed-frequency,four-band EQ. The HF and LF bands
have a shelving response. The HM band is bell-shaped,centered at 4kHz. The LM band is
centered at 250Hz. The EQ circuitry is always in the signal path. Set all EQ controls to
“0” (flat) if no equalization is desired.
26
high frequency— HF 15dB boost and cut at 10kHz — Shelving Response
high mid frequency— HM 15dB boost and cut centered at the 4kHz,Q of 1.5
low mid frequency— LF 15dB boost and cut centered at the 250Hz,Q of 1.5
low frequency— LF 15dB boost and cut at 80Hz — Shelving Response
26
p. 22
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HPW owner’s manual
stereo inputs
5
aux send features
Ten aux sends are available for creating individual output mixes from the Stereo Inputs.
27
These mixes can be used for driving effects processors,providing monitor mixes,creating
broadcast or alternate sound reinforcement mixes,or other special requirements. When
in the default post fader configuration,the signal is an equal sum of the Left and Right ste-
reo signals. When set to PRE,theAUX source is taken from the output of the PREFADE
SOURCE control,allowing adjustment of the left-right blend. TheAux sends are always
affected by the Mute switch.
28
pre fade source - This control is similar to the left - right mono switches,but only
affects the pre fade aux sends. This control allows a continous blended adjustment that is
sent to the aux sends when they are in the“pre” position. This is useful if a split-accom-
paniment track is played with vocals on one track.The pre fade source controls
the mix of vocals added to the monitors to assist the performer(s).
27
28
PRE switch - When this switch is in the“OUT” position,theAux sends are an equal
mix of the left and right signals taken Post-fader. When the switch is despressed (“IN”),
theAux sends become Pre-fader,Post-EQ with the left right mix set by the Prefade
source control. NOTE: The HPW offers three seperate controls to offer the most flex-
ibility. Each PRE Switch controls theAux Sends directly below the switch (Aux Sends 1-6,
7-8 and 9-10).
29
aux sends (1-10) - These knobs adjust the amount of signal sent to the corre-
spondingAux buses.Unity gain occurs at the zero setting,with 6dB additional gain avail-
able above that.
29
30
bal - This control determines the signal’s left-right balance with respect to the assigned
L/R and Group buses. Rotating the control counterclockwise increases the amount of
the left signal sent to the L and odd-numbered groups;rotating clockwise increases the
amount sent to the R and even-numbered groups.For example,with the channel Bus
Assign switch set to Groups 1/2 and the balance control set to the“=” position,rotat-
ing the control counterclockwise increases the amount of signal sent to Group 1,while
rotating clockwise increases the amount sent to Group 2. The“=” position is balanced
and sends identical outputs signals.
30
p. 23
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stereo inputs
5
channel muting features
31
mute - Pressing this switch mutes the stereo feed to any of the assigned buses and any
Aux sends. The mute is part of the mute scene programmable function and behaves just
as the mutes in the mono channels do.
31
32
32
mute LED - The associated red-LED illuminates when the stereo channel is muted.
bus assignment features
The bus assignment section offers considerable flexibility in creating what eventually
becomes the main output mix.Stereo Inputs can be assigned to the independent Mono
bus,the Left-Right buses,or any of the odd-even paired subgroups (1-2,3-4,5-6,7-8). All
assignments are derived post-fader,post-eq,and post-mute.Since these are stereo inputs,
the assignments are done in stereo:the left side input signal is assigned to the left and
odd buses,while the right-side signal is assigned to the right and even buses.The Mono
bus is fed from a summed mix of the left and right side input sources.
33
33
BusAssign
M (Mono) - Assigns the summed,post-fader channel signal to the Mono Bus.The
pan-pot position does not affect the signal to the Mono bus.
L-R (Left - Right) - Assigns the post-fader,pan-pot signals to the Left and Right
Buses.
1-2 (Groups 1-2) - Assigns the post-fader,pan-pot signals to the Group 1 and Group
2 Buses.
3-4 (Groups 3-4) - Assigns the post-fader,pan-pot signals to the Group 3 and Group
4 Buses.
5-6 (Groups 5-6) - Assigns the post-fader,pan-pot signals to the Group 5 and Group
6 Buses.
34
7-8 (Groups 7-8) - Assigns the post-fader,pan-pot signals to the Group 7 and Group
8 Buses.
34
stereo fader - The stereo inputs are provided with high-quality,100mm stereo
faders.Normal mixing range is around the“0” mark,with up to 10dB fader-boost available
when needed.
35
36
signal monitoring features
The stereo inputs are equipped with a bicolor LED that displays the summed,Pre-fader
signal level with varying intensity green illumination,and also indicates impending chan-
nel overload (within 3dB of clipping) by turning red.Clipping is sensed both pre and post
fader,so even if the fader is down,you will be informed of any preamp or EQ related
overload problems.
A PFL (Pre-Fader Listen) switch is provided that lets the operator monitor the stereo
input signal in the console’s Solo system.When depressed,the channel’s pre-fader signal
is sent to the console’s Solo system (See Master section for details on the Solo system
functions). The Stereo Inputs are monitored in stereo in the Solo system.
35 PK/Sig LED - Pre-Fader signal (summed L and R) is shown as varying GREEN intensity.
Channel clip warning displays RED.
36 PFL - When this switch is depressed,the stereo pre-fader signal is sent to the console’s
Solo system.The channel LED illuminates RED to indicate that the PFL is active.
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stereo input - options
HPW owner’s manual
5
Solder-Blob locations
CHAN 5
CHAN 8
CHAN 7
CHAN 6
CHAN 5
HPW Input
EQ PCB (upper)
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stereo input - options
5
user options
There are a number of user options available for the Stereo inputs. These are implemented by way of solder-pads on
the back-side of the Stereo Input circuit boards (upper EQ board of the pair). There are a number of solder-pads avail-
able,made up of split-circles of tinned copper.Solder is bridged (blobbed) across the 2 halves to complete the circuit and
implement the desired option.For the default setting,there is already a thin copper trace that connects the two halves,
completing the default connection.This existing trace MUST be cut (use an X-acto knife) before an option is implemented.
To change back to the default operation after an option was performed,remove the blobbed solder from the option
solder-pads (use a solder-sucker or solder-wick). Add a blob-link across the original,default pads to replace the thin trace
that was previously cut when the option was first performed.
The specified Solder-Blob (SBXX) shown in the table should be linked (by solder-bridging) to complete the circuit
and implement the indicated option.The table below shows the specific SBXX for each of the 8 channels on a cir-
cuitboard. Before implementing an option (by blobbing), be SURE to cut the existing thin copper trace linking the two
halves of the default SB. Failure to do so will result in channel operation problems and possible circuit damage.
HPW Stereo Input
OPTIONSTABLE
“PRE” Feed For Aux Sends
Channel Direct Out
Post-EQ (Default) Pre-Insert
Pre EQ
SB33
SB34
SB35
SB36
Post-EQ (Default)
Pre-EQ
Chan-1 mono
Chan-2 mono
Chan-3 mono
Chan-4 mono
SB2
SB4
SB6
SB8
SB1
SB3
SB5
SB7
SB18
SB20
SB22
SB24
SB17
SB19
SB21
SB23
L/R
L/R
L/R
L/R
Chan-5 stereo SB52/SB51
Chan-6 stereo SB28/SB29
Chan-7 stereo SB40/SB41
Chan-8 stereo SB44/SB45
SB50/SB9
SB10/SB12
SB11/SB13
SB15/SB25
SB32/SB38
SB47/SB49
SB26/SB27 SB14/SB16
SB30/SB39 SB31/SB37
SB42/SB43 SB46/SB48
p. 26
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HPW owner’s manual
stereo inputs
5
rear panel connectors
The connectors associated with all the Stereo Inputs are located on the rear panel.Line
Input 1 has 1/4”TRS jacks,Line Input 2 has unbalanced RCA inputs. TheTRS inputs are
balanced and can accept either balanced or unbalanced signals.
direct out,1/4"TRS jack - The input channel's signal is available at this output
jack. The default signal routing is derived Pre-fader/Post-EQ. This can be changed by
an internal option to Post-insert/Pre-EQ. The output jack isTRS,tip = left,ring = right,
sleeve = ground.
line 2,RCA input jack - These RCA input connectors are active when Line 2 is
selected
line 1,1/4"TRS jack - These 1/4”TRS input connectors can be used for balanced
or unbalanced sources and are active when the Line 2 switch is in the“UP” position.
p. 27
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HPW owner’s manual
groups (audio subgroups)
6
features
The HPW is equipped with 8 audio subgroups,in addition to the main L/R and Mono
mix buses. All of the Inputs (Mono and Stereo) have full assignment capabilities to all
11 of these mix buses. Typically,these 8 groups are used to create sub-mixes within the
main program. These sub-mixes are then combined to create the overall mix.The use
of groups allows the operator to easily control and modify collections of instruments or
voices.Examples include:drum mixes,background vocals,choir microphones,etc.Since
the group assignment is done in odd-even pairs (1-2,3-4,5-6,7-8),stereo subgrouping is
typically used.Each input channel’s pan pot is used to create a stereo sub-mix within an
odd-even group pair. After assigning related signals to a pair of groups,specific equaliza-
tion or compression can be applied to that collection of signals by patching external
processing gear into the groups’ insert jacks (stereo EQ or compressors are often used).
That processed,stereo-group signal can then be assigned to any of the 3 main mix buses
(L/R/Mono) via the group’s bus assignment switches,to create the final mix.The feed to
the L-R buses is Post-fader,Post-mute through the Group Pan-Pot,the assignment to the
Mono bus is Post-fader,Post mute;the Pan-Pot is not involved.
38
39
Group Pan Pot
38
39
This control determines the group’s placement in the L-R stereo sound field. The control
only functions when the group is assigned to the L-R bus. It always has the group signal
and is unaffected by the fader reverse switch.
Mute Switch w/LED
40
41
This switch normally will mute the post-fader output of the audio group.The LED will
illuminate when the mute is active.If the FADER REVERSE switch is depressed,then
this mute switch will affect the associatedAux output (See Fader reverse description).
Note: This mute is NOT part of the programmable mute scene system
Mono BusAssign
40
42
The output of the Group feeds the Mono bus when this switch is depressed.The feed to
the Mono bus is post-fader,post-mute.
41 L-R BusAssign
The output of the Group feeds the L and R main buses when this switch is depressed.
The Group Pan pot controls the L-R position. The feed to the L and R buses is post-
fader,post-mute.
100mm Fader - This high-quality,100mm fader is used to control the Group output
level. Any Post-fader feeds are affected by this control.Nominal position is at the“0”
mark,with 10dB additional gain available above that point. When the FADERREVERSE
switch is depressed,this fader will control the associatedAux output level,and the Group
output level is then controlled by theAux Level rotary pot (See Fader reverse descrip-
tion following).
42
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groups
6
group monitoring features
Within this Group section,the 100mm fader is normally in the Group audio path. This
can be changed with the use of the Fader-Reverse switch. When the Fader-Reverse
switch is depressed,the correspondingAux output is controlled by the 100mm fader (the
Group output is then controlled by the correspondingAux rotary pot).Since the actual
signal at the fader can be either the Group orAux mix,the PK/Sig LED andAFL switches
will monitor whichever signal is at the fader.In the following text,the uppercase FADER
represents this signal.
NOTE:These following controls areALWAYS fed from the Group audio signal,the Fader-
Reverse switch does not affect their function.
Matrix Sends M1 and M2: Always fed from post-level/post-mute Group audio,or in PRE
position,from the post-insert/pre-level/pre-mute Group audio.
Group Pan: Always fed from the post-level/post-mute Group audio.
BusAssignment Mono and L-R: Always fed from the post-level/post-mute Group audio.
See next page for Fader-Reverse information
See Matrix section for further matrix information
43 PK/Sig LED - The FADER is equipped with a bicolor LED that displays the Pre-fader
signal level with varying intensity green illumination,and also indicates impending group
overload (within 3dB of clipping) by turning red.Group clipping is sensed both pre- and
post-fader,so even if the fader is down,you will be informed of any bus-related overload
problems.
AFL - AnAFL (After-Fader Listen) switch is provided,which allows the operator to
monitor the FADER’s signal in the console’s Solo system. When depressed,the FADER’s
post-fader,post-mute signal is sent to the console’s Solo system (See Master section for
details on the Solo system functions).
44
43
44
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HPW owner’s manual
groups
6
fader-reverse function
using the HPW as a monitor console
Because of its 10Aux sends,the HPW can be used as a 10-output Monitor mixer. Each
input channel can access all of the individualAux mixes,allowing 10 unique mixes to be
generated.Normally,the output level of each of theseAux mixes is controlled by the
correspondingAux Master rotary level pot.In situations where the HPW is to be used
as a dedicated Monitor Mixer,the 100mm faders can be switched-over to control the
Aux outputs instead of the rotary controls by use of the Fader-Reverse switch.Other
controls,associated with monitoring the signals,also change functions when this switch is
used.
NOTE: These following controls areALWAYS fed from the Group audio signal,the
Fader-Reverse switch does not affect their function.
Matrix Sends M1 and M2: Always fed from post-level/post-mute Group audio,or in PRE
position,from the post-insert/pre-level/pre-mute Group audio.
Group Pan: Always fed from the post-level/post-mute Group audio.
BusAssignment Mono and L-R: Always fed from the post-level/post-mute Group audio.
45
fader reverse w/LED
When this switch is up (LED Off),the following controls perform these listed functions:
Mute (w/Led):Mutes the Post-fader Group output
100mm Fader:Controls the Group output level
LowerAFL switch (below fader):Monitors the Group level via the Solo system
Upper Rotary pot::Controls theAux output level
UpperAFL switch:Monitors theAux level via the Solo system
When this switch is down (LED On),the following controls perform these listed func-
tions:
Mute (w/Led):Mutes the Post-faderAux output
100mm Fader:Controls theAux output level
LowerAFL switch (below fader):Monitors theAux level via the Solo system
Upper Rotary pot::Controls the Group output level
UpperAFL switch:Monitors the Group level via the Solo system
The overall purpose of this reverse switch is to give the operator easier access to the
Aux level and control functions.It shifts theAux controls to the lower,fader-area of the
module when used as a Monitor console.The Group controls are shifted to the upper-
45
rotary area,since the assignable Groups are not often used in a Monitor console.
®
Use the Fader-Reverse switches whenever it is beneficial to have an Aux level control on
a fader.These switches can be used individually (if only 1 Aux needs to be controlled), or all can
be switched when a full Monitor Console function is desired.
p. 30
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groups
6
group mixing features
Use the Matrix Sends to cre-
ate additional mixes from the
11 main buses (8 Groups, Left,
After using the groups to create the desired sub-mixes,you typically want
to route and combine them with other signals or groups to create various
output mixes.These mixes can be your final house mix (L/R/Mono),a spe-
cial mix for a choir or vestibule area,or an additional feed tailored specifi-
cally for a video orTV broadcast.
®
Right and Mono).These additional
mixes can be tailored to suit a spe-
cific need. Mix-in the signals you
need, or enhance the main-mix,
by adding additional instruments
where needed.
The two main methods for creating these additional mixes are:
1) The bus assignment switches (in conjunction with the Group Pan pot)
2) The Matrix Sends
The bus assignment switches take the post-fader/post-mute group signal
and routes it to the 3 main output buses.The feed to the L-R buses is always through the
Group Pan pot. The feed to the Mono bus does not depend on that pan pot.
The Matrix Send -These controls allow the user to mix the post-fader/post-mute
group signal with other groups and/or the 3 main output mixes.If the PRE button is
pressed,the signal to the Matrix Sends is pre-fader/pre-mute.This allows a totally inde-
pendent output mix to be created,and the group fader level will not affect the Matrix
mix.The overall level of the entire Matrix mix is controlled by the Matrix Masters,located
at the far right of the Master section.Matrix Sends are always fed from post-level/post-
mute Group audio,or in PRE position,from the post-insert/pre-level/pre-mute Group
audio.
46
46
See Matrix section for further matrix information
NOTE:These following controls areALWAYS fed from the Group audio signal,the Fader-
Reverse switch does not affect their function.
Matrix Sends M1 and M2: Always fed from post-level/post-mute Group audio,or in PRE
position,from the post-insert/pre-level/pre-mute Group audio
Group Pan: Always fed from the post-level/post-mute Group audio
BusAssignment Mono and L-R:Always fed from the post-level/post-mute Group audio
creating additional mixes
There is yet another way to create additional output mixes from the Console,but it
involves using an external mixer (an XR-20 or XRM would be nice). The Groups have
their ownTRS output jacks that feed the post-fader/post-mute group audio to the out-
side world. These group outputs can be fed into an external mixer where they can be
combined into as many outputs as the external mixer is capable of providing.In effect,
you are using the external mixer to create additional“Matrix mixes.” Internally,you are
limited to the 2 Matrix sends
(M1 and M2),but externally,
If you need more than the internal two-matrix mix,
you can use the outputs of the console to create
you no longer have this limit.
®
The main difference is the feed
additional mixes externally. Use the 11 main buses (8
to the matrix sends:internally,
Groups, Left, Right and Mono), plus any of the 10 Auxes.
you could choose Pre or Post;
These additional mixes can be tailored to suit a specific
need; only mix-in the signals you need, or enhance the
main-mix by adding additional instruments or vocals
where needed.
externally (using the Group-
OutTRS jack),you only have
Post available.However,the
Group Insert jack can be used
to derive a pre-fader signal for
use with an external mixer
if theTip and Ring contacts are tied together in the cable plug.This creates a“borrow-
cable” that allows the signal to still flow through the internal audio path of the group,but
allows the pre-fader,insert-send signal to be used as an external feed.
p. 31
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HPW owner’s manual
groups
6
group connectors- rear panel
The HPW group output connections are located on the Master rear output panel.Each
group features a 1/4”TRS output connector,along with a 1/4”TRS Insert connector. The
output is a ground-compensated,impedance-balancedTRS jack.For wiring purposes,
treat this connector exactly like a balanced output. When connected to an unbalanced
input,the ground-compensation circuitry will act to reduce the ground-signal differences
between the console and the remote gear.
TheTRS Insert jack is wired asTip=Send,Ring=Return,Sleeve=Audio Ground. This is
the“industry-standard” wiring scheme for most single-jack inserts.The Insert send-point
is located directly after the group mix amp,the Insert return feeds the top of the group
fader,or the top of the level pot if Fader-Reverse is active (see Block Diagram).
47
group output 1/4"TRS jack
The group output signal is available at this output jack.The output jack is impedance-
balanced,ground-compensated.
NOTE: The Fader-
+
Tip is +Drive,Ring is -Drive Return,Sleeve is Chassis Ground
Send (Drive) impedance is 50Ω
Reverse switch does
not change the function
of any of the rear-panel
jacks. The Group Output
and Insert jacks are always
located here. Similarly, the
Aux Output and Insert jacks
always retain their same
function.
Ring impedance is 50Ω toAudio Ground
Nominal Operating Level= +4dBu
Max Output Level= +21dBu (into 2kΩ or higher)
48
insert jack 1/4"TRS jack
This switching 1/4”TRS jack allows an external signal processor to be inserted into the
signal path of the group.The tip carries the SEND signal from the group,and the ring car-
ries the RETURN signal back to the group.The Insert-Send point is located directly after
the group mix amp,the Return comes back at the top of the group level control.
Tip is Send,Ring is Return,Sleeve isAudio Ground.
Send (output) impedance is 50Ω
Return (input) impedance is 5KΩ
Nominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HPW’s group signal,any processing gear
patched into the group insert jack should have a low impedance output (<100Ω) and
must be capable of cleanly driving a 2KΩ load to +21dBu.
47
48
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auxes
7
auxes (auxiliary mixes)
TenAux buses are available for creating individual output mixes from the Input chan-
nels of the Console. These mixes can be used for driving effects processors,provid-
ing monitor mixes,creating broadcast or alternate sound reinforcement mixes,or
other special requirements. TheAux buses are fed from theAux Send controls on
the Mono Inputs,Stereo Inputs,Stereo Returns and theAmbience Input. Pre and
Post switches are available for these send pots,along with internal options to allow
the user to configure theAux mixes in a variety of ways.
aux master level
49
This rotary pot is used to control theAux output level.Nominal position is at the
“0” mark,with 10dB additional gain available above that point. When the FADER-
REVERSE switch is depressed (located next to the 100mm fader),this rotary pot will
instead control the associated Group Output level,and theAux Output level is then
controlled by the 100mm fader (see Fader Reverse description on Pg 36).
49
50
51
aux monitoring
The following controls are used to check the signal level and status of theAux mix.
These controls monitor the audio signal present at the rotary pot.
Normally,this is theAux bus signal,but if the FaderReverse switch is
depressed,these same controls will monitor the Group signal,and theAux
bus will be monitored by the corresponding Fader-related controls.
50
51
PK/Sig LED
A bicolor LED displays the Pre-level signal with varying intensity green illumination,
and also indicates impending bus overload (within 3dB of clipping) by turning red.
Clipping is sensed both pre- and post- level control,so even if the control is turned
down,you will be informed of any bus-related overload problems.
AFL
AnAFL (After-Fader Listen) switch is provided that lets the operator monitor the
signal in the console’s Solo system. When depressed,the post-fader,post-mute signal
is sent to the console’s Solo system (see Master section for details on the Solo sys-
tem functions).
p. 33
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HPW owner’s manual
auxes
7
aux connectors-rear panel
The HPWAux output connections are located on the Master rear output panel. All
of the auxiliary outputs are fully balanced with auxes 1-8 featuring XLR connectors
and auxes 9 and 10 having 1/4”TRS connectors. All 10 auxes also haveTRS inserts.
TheTRS Insert jack is wired asTip=Send,Ring=Return,Sleeve=Audio Ground.This
is the“industry-standard” wiring scheme for most single-jack inserts.The Insert send-
point is located directly after the aux mix amp. The Insert return feeds the top of
the level pot,or the top of the 100mm fader if Fader-Reverse is active (see Block
Diagram).
52
aux output 1/4"TRS and male XLR jacks
The aux output signal is available at this output jack.The output is fully balanced.
Tip positive,Ring negative,Sleeve is Chassis Ground
Outputs 1-8 XLR Balanced,9-10TRS Balanced
Nominal Operating Level= +4dBu
NOTE: The Fader-
Reverse switch
does not change the
function of any of the rear-
panel jacks. The Aux Output
and Insert jacks are always
located here. Similarly, the
Group Output and Insert
jacks always retain their
same function.
+
Max Output Level= +26dBu (into 2kΩ or higher)
insert jack 1/4"TRS jack
53
This switching 1/4”TRS jack allows an external signal processor to be inserted into
the signal path of the aux bus.The tip carries the SEND signal from the aux,and the
ring carries the RETURN signal back to the aux.The Insert-Send point is located
directly after the aux mix amp,the Return comes back at the top of the aux level
control.Tip is Send;Ring is Return;Sleeve isAudio Ground.
Send (output) impedance is 50Ω
Return (input) impedance is 5KΩ
Nominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HPW’s aux signal,any processing gear
patched into the insert jack should have a low impedance output (<100Ω) and must
be capable of cleanly driving a 2KΩ load to +21dBu.
52
53
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left - right
8
left and right (main audio buses)
features
The HPW is equipped with 3 main audio buses in addition to the 8 audio subgroups.
This section of the manual deals with 2 of those 3 main buses - Left and Right,and
the Mono bus will be described later. The assignment to the L-R buses is always
through a pan-pot,either from the Mono or Stereo input channels,or from the 8
audio subgroups.Typically,these 2 main buses are used to create the overall stereo
mix.
54
55
mute switch w/LED
54
This switch normally will mute the post-fader output of the L or R audio bus.
The LED will illuminate when the mute is active.If the FADER REVERSE switch is
depressed,then this mute switch will affect the associatedAux output (See Fader
Reverse description).NOTE:These mute switches are NOT part of the program-
mable mute scenes.
56
55
56
mono bus assign
The output of the Left or Right feeds the Mono bus when this switch is depressed.
The feed to the Mono bus is post-fader,post-mute.
100mm fader
This high-quality,100mm fader is used to control the main output level. Any Post-
fader feeds are affected by this control.Nominal position is at the“0” mark,with
10dB additional gain available above that point. When the FADERREVERSE switch
is depressed,this fader will control the associatedAux Output level,and the Main
Output level is then controlled by theAux Level rotary pot (see the following Fader
Reverse description).
57
58
57
PK/Sig LED
The FADER is equipped with a bicolor LED that displays the Pre-fader signal level
with varying intensity green illumination,and also indicates impending group overload
(within 3dB of clipping) by turning red. Audio clipping is sensed both pre- and post-
fader,so even if the fader is down,you will be informed of any bus-related overload
problems.
AFL
58
AnAFL (After-Fader Listen) switch is provided that lets the operator monitor the
FADER’s signal in the console’s Solo system. When depressed,the FADER’s post-
fader,post-mute signal sent to the console’s Solo system (See Master section for
details on the Solo system functions).
p. 35
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HPW owner’s manual
left - right
fader-reverse function
8
using the HPW as a monitor console
Because of its 10Aux sends,the HPW can be used as a 10-output Monitor mixer.
Each input channel can access all of the individualAux mixes,allowing 10 unique
mixes to be generated.Normally,the output level of each of theseAux mixes is
controlled by the correspondingAux Master rotary level pot.In situations where
the HPW is to be used as a dedicated Monitor Mixer,the 100mm faders can be
switched-over to control theAux outputs instead of the rotary controls by use of
the Fader-Reverse switch (you will need to use a small tool in order to access the
fader-reverse switch).Other controls associated with monitoring the signals also
change functions when this switch is used.
NOTE: These following controls areALWAYS fed from the L-R main audio signal.
The Fader-Reverse switch does not affect their function.
Matrix Sends M1 and M2: Always fed from post-level/post-mute main audio,or in
PRE position,from the post-insert/pre-level/pre-mute main audio.
BusAssignment Mono: Always fed from the post-level/post-mute main audio.
59
The Matrix Send pots allow the user to mix the post-fader/post-mute main signal
with the other 2 main outputs,plus the 8 groups.If the PRE button is pressed,the
signal to the Matrix Send pots is pre-fader/pre-mute.This allows a totally independent
output mix to be created. The main fader level will not affect the Matrix mix. The
overall level of the entire Matrix mix is controlled by the Matrix Masters,located at
the far right of the Master section.
See Matrix section for further matrix information
59
fader reverse w/LED
When this switch is“UP” (LED Off),the following controls perform these listed
functions:
Mute (w/Led):Mutes the Post-fader main output
100mm Fader:Controls the main audio output level
LowerAFL switch (below fader):Monitors the main audio level via the Solo system
Upper Rotary pot:Controls theAux output level
UpperAFL switch:Monitors theAux level via the Solo system
When this switch is down (LED On),the following controls perform these listed
functions:
Use the Fader-
Reverse switches
®
Mute (w/Led):Mutes the Post-faderAux (9 or 10) output
100mm Fader:Controls theAux output level
LowerAFL switch (below fader):Monitors theAux level via the Solo system
whenever it is beneficial to
have an Aux level control
on a fader.These switches
can be used individually
(if only 1 Aux needs to
be controlled), or all can
be switched when a full
Monitor Console function
is desired.
Upper Rotary pot:Controls the main (L or R) output level
UpperAFL switch:Monitors the audio level via the Solo system
The overall purpose of this reverse switch is to give the operator easier access to
theAux level and control functions.It shifts theAux controls to the lower,fader-area
of the module when used as a Monitor console.The main audio controls are shifted
to the upper-rotary area.
p. 36
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mono output
9
mono (main audio bus)
features
62
The HPW is equipped with 3 main audio buses in addition to the 8 audio subgroups.
This section of the manual deals with 1 of those 3 main buses - the Mono bus.The
Mono bus is directly assignable from all of the Mono and Stereo Inputs,the 8 audio
subgroups and the L-R main buses.
Since the Mono bus is directly-assignable from all input sources,and not a derived,
summed L-R mix,a variety of uses are possible:Center-cluster feed in a L-C-R
church install,subwoofer feed - assign only the appropriate,low-frequency sources to
the bus,or use it to sum the L-R mixes to create a mono mix.
63
The Matrix Send pots allow the user to mix the post-fader/post-mute Mono sig-
nal with the other 2 main outputs,plus the 8 groups.If the PRE button is pressed,the
signal to the Matrix Send pots is pre-fader/pre-mute.This allows a totally independent
output mix to be created. The main fader level will not affect the Matrix mix. The
overall level of the entire Matrix mix is controlled by the Matrix Masters,located at
the far right of the Master section.
See Matrix section for further matrix information
Mute Switch w/LED
62
63
This switch will mute the post-fader output of the Mono audio bus.The LED will illu-
minate when the mute is active. NOTE: These mute switches are NOT part of the
programmable mute scenes.
64
65
100mm Fader
This high-quality,100mm fader is used to control the main output level. Any Post-
fader feeds are affected by this control.Nominal position is at the“0” mark,with
10dB additional gain available above that point.
PK/Sig LED
64
All Mono and Stereo
Inputs, along with the
8 groups and L-R, can be
directly assigned to the
Mono bus.
®
The FADER is equipped with a bicolor LED that displays the Pre-fader signal level
with varying intensity green illumination,and also indicates impending audio overload
(within 3dB of clipping) by turning red. Audio clipping is sensed both pre- and post-
fader,so even if the fader is down,you will be informed of any bus-related overload
problems.
Use the Matrix Sends
to create additional
AFL
65
®
mixes from the 11 main
buses (8 Groups, Left,
Right and Mono).These
additional mixes can be
tailored to suit a specific
need. Mix-in the signals
you need or enhance the
main-mix by adding addi-
tional instruments where
needed.
AnAFL (After-Fader Listen) switch is provided that lets the operator monitor the
audio signal in the console’s Solo system.When depressed,the Mono’s post-fader,
post-mute signal sent to the console’s Solo system (See Master section for details on
the Solo system functions).
p. 37
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HPW owner’s manual
left - right, mono output
9
L/R and mono connectors- rear panel
The HPW Mono output connections are located on the Master rear output panel.
The output features a male XLR output connector,along with a 1/4”TRS Insert con-
nector. The output is a servo balanced XLR jack.
TheTRS Insert jack is wired asTip=Send,Ring=Return,Sleeve=Audio Ground.This
is the“industry-standard” wiring scheme for most single-jack inserts.The Insert send-
point is located directly after the main mix amp. The Insert return feeds the top of
the 100mm fader.
66
main Mono output - male XLR jack
The main output signal is available at this output jack.
Pin2 is +Drive,Pin3 is -Drive,Pin1 is Chassis Ground
Drive impedance is (50Ω each leg)
Nominal Operating Level= +4dBu
Max Output Level= +26dBu (into 2kΩ or higher)
insert jack 1/4"TRS jack
67
This switching 1/4”TRS jack allows an external signal processor to be inserted into
the signal path of the main audio bus. The tip carries the SEND signal from the bus,
and the ring carries the RETURN signal back to the aux. The Insert-Send point is
located directly after the main mix amp. The Return comes back at the top of the
main level control.
Tip is Send,Ring is Return,Sleeve isAudio Ground.
Send (output) impedance is 50Ω
Return (input) impedance is 5KΩ
Nominal Operating Level= -2dBu
NOTE: To avoid any degradation of the HPW’s signal path,any processing gear
patched into the insert jack should have a low impedance output (<100Ω) and must
be capable of cleanly driving a 2KΩ load to +21dBu.
66 67
p. 38
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matrix mix
0
matrix mix
The HPW features a 2-output Matrix section.Each Matrix can consist of a mixture
of any of the 11 main mix buses:the 8 audio subgroups,Left,Right,and Mono.Each
of these main buses feed the 2 matrix buses through individual Matrix Send pots,all
located within the Master module,above the fader of the associated bus.These Sends
were described in each of the previous sections describing the various buses.
Each Matrix mix can be used to create a unique combination of the various sub-
mixes within the console.Pre- or Post-fader mixes are possible with the use of the
PRE switches associated with the Matrix Send pots of each of the buses.The matrix
outputs can be tailored to create the proper mix needed for each application.Typical
uses are to create a vocal-rich feed for a video recording,a lower-level feed for the
vestibule or waiting room,a room-independent mix for a performance video,etc.
matrix output 1/4"TRS jack
68
The matrix output signal is available at this output jack.The jack is impedance-bal-
anced,ground-compensated. The matrix ouputs can also be used as the source for
theAlt outputs. This allows the dynamic range to be controlled and room ambi-
enced to be added to the matrix signal.
Tip is +Drive,Ring is -Drive Return,Sleeve is Chassis Ground
Send (Drive) impedance is 50Ω
Ring impedance is 50Ω toAudio Ground
Nominal Operating Level= +4dBu
Max Output Level= +21dBu (into 2kΩ or higher)
68
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HPW owner’s manual
master section
stereo returns
¡
features
The HPW has 2 stereo returns located within the Master module. These inputs are
designed to accept line level balanced signals (from an effects unit,a CD player,or other
line level source) on their 1/4”TRS balanced jacks.
69
70
gain
69
This control adjusts the gain of the input amplifiers. Both Left and Right circuits are
simultaneously adjusted.Unity gain is at the mid-point (with a detent),min and max gain
adjust is 20dB.The stereo inputs were designed for line-level sources, and can accom-
modate a wide range of input levels.
stereo lo-cut filter
This filter reduces or eliminates unwanted low frequencies to clean out the mud that
often accompanies reverbs or synths. The cut-off frequency of the filter is 150 Hz
and the slope is -18dB per octave. This type of filter is also referred to as a Hi-pass
filter (HPF).It allows the hi-frequencies to pass,but stops the lo-frequencies.
70
lo cut switch
When the button is in the“OUT” position,stereo Lo-Cut filter is not engaged
When the button is in the“IN” position,stereo Lo-Cut filter is on.
Reverbs can have a
sizable amount of
low frequency rumble that
is best removed with a low
cut filter.
+
Some synth patches have so
much low frequency energy
that they lose definition and
need high pass filtering.
Engaging the Lo-Cut filter
can eliminate these power-
stealing low frequencies.
p. 40
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master section
¡
EQ features
Many audio signals coming into the console require some degree of corrective equal-
ization in order to be part of a good sounding mix.
Each stereo input is equipped with a fixed-frequency, three-band EQ. The HF and LF
bands have a shelving response. The MF band is bell-shaped, centered at 3kHz. The
EQ circuitry is always in the signal path. Set all EQ controls to“0” (flat) if no equaliza-
tion is desired.
71
high frequency—HF— 15dB boost and cut at 10kHz—Shelving Response
mid frequency—MF— 15dB boost and cut centered at the 3kHz,Q of 1.5
low frequency—LF— 15dB boost and cut at 80Hz—Shelving Response
71
aux send features
Two aux sends are available for creating individual output mixes from the Stereo
Returns.These mixes can be used for driving effects processors, providing monitor
mixes, creating broadcast or alternate sound reinforcement mixes, or other special
requirements. The signal fed to each of theAuxes is a sum of the Left and Right stereo
signals.The Aux sends are normally fed from the Post-fader stereo signal. When the
PRE switch is depressed,theAux sends are fed from the Post-EQ,Pre-fader signal. The
Aux sends are always affected by the Mute switch.
72
73
74
72
Aux 1/2 or 9/10 selector button
This button determines whichAuxes receive the stereo return signal.
When the button is in the“OUT” position, Aux 1 and 2 are selected.
When the button is in the“IN” posiition, Aux 9 and 10 are selected.
PRE
73
The default signal source for the aux sends is post-fader. This switch is used for select-
ing the Pre-fader signal for theAux sends.The Pre-fader signal is derived Post-EQ.
When the button is in the “OUT” position, aux sends are Post-fader.
When the button is in the“IN” position,aux sends are Pre-fader (Post-EQ)
aux sends (1-2 or 9-10)
74
These knobs adjust the amount of signal sent to the correspondingAux buses.Unity
gain occurs at the zero setting,with 6dB additional gain available above that.
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HPW owner’s manual
master section
¡
channel muting features
75
MUTE and MUTE LED
Pressing this switch will mute the stereo feed to any of the assigned buses and any
Aux sends.The associated red-LED will illuminate when the stereo channel is muted.
75
bus assignment features
The bus assignment section offers considerable flexibility for creating what eventu-
ally becomes the main output mix.Stereo Inputs can be assigned to the independent
Mono bus,the Left-Right buses,or any of the odd-even paired subgroups (1-2,3-4,5-6,
7-8).All assignments are derived post-fader,post-eq,and post-mute.Since these are
stereo inputs,the assignments are done in stereo:the left-side input signal is assigned
to the left and odd buses,the right-side signal is assigned to the right and even buses.
The Mono bus is fed from a summed mix of the left and right-side input sources.
76
77
76
BusAssign
M (Mono)
Assigns the summed,post-fader channel signal to the Mono Bus.L-R (Left- Right)
Assigns the post-fader,pan-pot signals to the Left and Right Buses.
1-2 (Groups 1-2)
Assigns the post-fader signals to the Group 1 and Group 2 Buses.
3-4 (Groups 3-4)
Assigns the post-fader signals to the Group 3 and Group 4 Buses.
5-6 (Groups 5-6)
Assigns the post-fader signals to the Group 5 and Group 6 Buses.
7-8 (Groups 7-8)
Assigns the post-fader signals to the Group 7 and Group 8 Buses.
stereo fader
77
The stereo inputs are provided with high-quality, 60mm stereo faders. Normal mixing
range is around the“0” mark,with up to 10dB fader-boost available when needed.
p. 42
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master section
¡
signal monitoring features
The stereo inputs are equipped with a bicolor LED that displays the summed,Pre-
fader signal level with varying intensity green illumination,and also indicates impend-
ing channel overload (within 3dB of clipping) by turning red.Clipping is sensed both
pre and post fader,so even if the fader is down,you will be informed of any preamp
or EQ related overload problems.
A PFL (Pre-Fader Listen) switch is provided that lets the operator monitor the ste-
reo input signal in the console’s Solo system.When depressed,the channel’s pre-fader
signal sent to the console’s Solo system (see Master section for details on the Solo
system functions).The Stereo Inputs are monitored in stereo in the Solo system.
78
79
PK/Sig LED
Pre-Fader signal (summed L and R) is shown as varying GREEN intensity,while channel
clip warning illuminates RED.
PFL
When this switch is depressed (“IN”),the stereo pre-fader signal is sent to the console’s
Solo system. The channel LED is illuminated RED to indicate that the PFL is active.
78
79
rear panel connectors
80
The connectors associated with both stereo returns are located on the Master rear
panel. TheTRS inputs are balanced,and can accept either balanced or unbalanced
signals.On allTRS inputs,the Left input is“normalled” into the Right jack,allowing
mono signals to be fed to both sides of the Stereo input by plugging the signal into
JUST the Left jack.If nothing is plugged into the Right jack,it will receive its source
from the Left jack.Once a plug is inserted into the Right jack,this“normal” con-
nection is broken and the Right input receives its signal from the Right jack.
80
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master section
alternate outputs
features
¡
HPW owner’s manual
The HPW has 2 alternate outputs located within the Master module. These outputs are
designed to allow the user to select the signal source that is being output. This feature
is especailly useful when sending audio for broadcast,recording,an attached room,public
spaces or assisted hearing devices. These outputs have full control dynamics,with expan-
sion,compression and limiting
81
81
source
M (Mono)
Assigns the mono,pre-fader signal to the alternate output.
L-R (Left- Right)
82
83
Assigns the L-R (Stereo),signal to the alternate ouput.
MTX 1 and 2
Assigns the Matrix Mix 1 (or Matrix Mix 2) signal to the alternate output. Pressing both
the MTX1 and MTX 2 assigns a Matrix stereo signal to the alternate output. MTX 1
assigns the signal to the left while MTX2 assigns the signal to the right. If only one MTX
signal is assigned,it is in mono.
84
85
output mono
82
83
This button sets the alternate output for mono operation
When button is in the“OUT” position,the signal is output as stereo.
When button is in the“IN” position,the signal is left and right summed.
ambience
This knob is used to add the stereo ambience signal (from the ambience input) to
the alternate output. The ambience signal is post-fader and is fully dependent on the
ambience controls. Adjusting or muting the ambience input signal will affect the alter-
nate output’s ambience.
SeeAmbience Input on page 46.
unity gain
84
The unity gain is used for applications where the user should not have access to the
master level controls,such as a feed for a nursery or narthex. This inset button disables
the master level control and sets the gain to unity (same as 0 on master control). A
small tool is required to activate the unity gain.
p. 44
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master section
¡
master
85
86
This knob controls the main level of the alternate output.
85
86
PK/Sig LED
The After-Fader signal is shown as varying GREEN intensity, while the channel clip
warning illuminates RED.
87
87
88
AFL
When this switch is depressed, the stereo after-fader signal is sent to the monitoring
system. The channel LED is illuminated RED to indicate that theAFL is active.
gain reduction metering
This meter array indicates the amount of gain reduction being applied to the alter-
nate ouput. It indicates compressor,expander,and limiting activity. The source of the
gain reduction can be determined by examining the expander and limiter’s LEDs. The
one that is lit,is the source. If neither is lit,it is the compressor that is active.
88
89
limiter
89
90
This knob sets the threshold level at which limiting begins. The corresponding LED
will illuminate when the established threshold has been exceeded.
90
91
compressor
The HPW’s alternate outputs are equipped with full featured compressors
Gain - This knob controls the amount of make up gain applied to the alternate out-
put.
Ratio - This knob controls the slope of the compression. At fully clockwise (∞), the
compressor acts as a limiter. Compression is effectively disabled when set to 1:1.
Threshold - When the signal exceeds the level set by this control, it is attenuated by
the amount set by the ratio control.
The attack and release
characteristics have been
optimized for voice perfor-
mances.
expander
®
91
This knob sets the threshold level at which downward expansion begins.
The corresponding LED will illuminate when the established threshold has
been exceeded. The ratio is preset to 1:2.
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HPW owner’s manual
master section
¡
ambience inputs
features
The HPW has been designed with a stereo mic ambience input for“real life” sound
enhancement. This feature allows sound from the room to be added to the sound system
allowing better reflection of what the audience hears.The ambience input has direct out-
puts and can be assigned to the auxes or alternate outputs.
gain
92
This knob adjusts the gain level of the ambience input. Both left and right circuits are
simultaneously adjusted.
92
balance
93
93
94
This knob determins the signal’s left-right balance.Rotating the control counterclock-
wise increases the amount of left signal,while rotating the control clockwise increases
the amount of right signal sent from the ambience input to the assigned bus.
stereo lo-cut filter
95
This filter reduces or eliminates unwanted low frequencies without substantially
affecting the program material.Ambient microphones can easily pick up air-handler
or reverberant room noise that clouds the signal. This filter can help clean it up. The
cut-off frequency of the filter is 70 Hz and the slope is -18dB per octave.This type of
filter is also referred to as a Hi-pass filter (HPF).It allows the hi-frequencies to pass
through,but stops the lo-frequencies.
96
97
94
95
lo cut switch
When the button is in the“OUT” position the stereo Lo-Cut filter is not enabled
When the button is in the“IN” position the stereo Lo-Cut filter is on.
EQ
The ambience Input is equipped with a fixed-frequency,four-band EQ.The HF and LF
bands have a shelving response. The HM band is bell-shaped,centered at 4kHz. The LM
band is centered at 250Hz. The EQ circuitry is always in the signal path. Set all EQ con-
trols to“0” (flat) if no equalization is desired.
high frequency— HF 15dB boost and cut at 10kHz — Shelving Response
high mid frequency— HM 15dB boost and cut centered at the 4kHz,Q of 1.5
low mid frequency— LF 15dB boost and cut centered at the 250Hz,Q of 1.5
low frequency— LF 15dB boost and cut at 80Hz — Shelving Response
96
97
PK/Sig LED - Pre-Fader signal (summed L and R) is shown as varying GREEN intensity,
while the channel clip warning illuminates RED.
PFL - When this switch is depressed,the stereo pre-fader signal is sent to the console’s
Solo system. The channel LED illuminates RED to indicate that the PFL is active.
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master section
¡
aux send level 5-8
98
These knobs adjust the amount of signal sent to the correspondingAUX buses.Unity gain
occurs at the zero setting,with 6dB additional gain available above that.Note:The Aux
Sends default to buses 5-8. To send to auxes 1-4 internal solder blob jumbers are avail-
able.
NOTE:Whenchang-
ing the aux sends,
be certain to cut
+
and solder in correct pairs
(aux 1/5, 2/6, 3/7, and 4/8.) For
example, if changing to Aux
1, be certain to remove the
solder on Aux 5.
PRE
99
The default signal source for theseAUX SENDS is post-fader. These switches are used
for selecting the Pre-fader signals forAuxes 5-8 (or 1-4 if solder blobs have been changed).
The normal Pre-fader signal is derived Post-EQ.
When button is in the “OUT” position, aux sends are Post-EQ,Post-fader.
When button is in the “IN” position, aux sends are Post-insert,Post-EQ,Pre-fader.
100
101
level
98
99
This knob adjust the amount of signal sent from the ambience input to the assigned bus
and to the ambient level controls on the alternate outputs.Unity gain occurs at the zero
setting,with 10dB additional gain available above that.
Setting the ambience
mute level allows the
user to preset two ambi-
ence levels. Use the ambi-
ence mute button to select
the mute level for spoken
word and the main ambi-
ence level for music.
+
mute
This button toggles between the ambience output level (100) and
the mute level. The LED illuminates when mute is active. The ambi-
ence mute functions through the programmable mute scenes.
When button is in the“OUT” position,the level is controled by the
ambience level (100).
102
When button is in the“IN” position,the level is controlled by the
mute level (102).
100
101
102
mute level
This knob adjusts the amount of signal sent from the ambience input to the assigned bus
when the mute button has been engaged.Unity gain occurs at the zero setting,with 10dB
additional gain available above that.
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HPW owner’s manual
master section
¡
master section: monitoring and control
overview
The HPW is equipped with versatile monitoring,talkback,and muting sections that
allow the operator to monitor and control the various signals within the console. A
brief overview of each is presented. Each section will be described on its own,fol-
lowing a brief overview.
monitor section
The dedicated Monitor Section allows the user to listen to and view the various
signals operating within the Console.This section consists of the monitor select cir-
cuitry and dual LED meters,the Solo system,and the headphone system.
To better control the overall operation of the HPW,the user should ensure that the
signals within the console are being mixed as intended,and are operating within the
proper limits. The Monitor section allows the operator to select any of the main
mix buses (alone or in combination),and then listen to and view the levels of those
signals. A pair ofTRS output jacks are provided to feed these signals to an external
amplifier/speaker system. The rear-panel jacks are controlled by the Monitor Level
pot.
solo system
Each Input and Output circuit of the console is equipped with a Solo switch.For
the Inputs,this switch is labeled PFL (Pre-Fader-Listen);for the Outputs, AFL (After-
Fader-Listen).Both types of these switches feed the associated Input or Output signal
into the console’s Solo bus.The Solo System feeds the Monitor Section and allows
the operator to listen to and view that soloed signal. The Solo bus is a summing bus
which will mix all selected signals together:if multiple Solo switches are depressed,
the user will hear that mixture.The Solo signal is displayed on the L and R Solo
Meters (shared with the Monitor Section).
headphone system
The headphone system is normally fed by the Monitor Section. The selected source
can be listened to on the headphones.If the Solo System becomes active,the head-
phones automatically switch-over to monitor the Solo bus.
talkback section
The operator can use the built-in facilities of the HPW to talk to the main,group,
or aux buses in the console.Often times,the operator will need to selectively com-
municate with a performer,or slate a performance during a recording. The talkback
section,with its own microphone input jack,can be used for this purpose.
mute scene section
The HPW provides 8 programable mute scenes.Each of the mono or stereo input
channels can be assigned to any of these scenes,allowing for selective muting control
of different groups of input channels.Different collections of voices or instruments
can be grouped together for overall muting,or different mute scenes can be con-
structed for the various sections of a performance.
output metering
Ten dedicated LED meters show the output level of whatever signal is being con-
trolled by the 100mm faders.Normally the 8 Group outputs,along with L and R are
displayed.If a fader-reverse switch is depressed,that correspondingAux output is
displayed instead.
p. 48
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master section
¡
master section: monitoring and control
monitor section
The dedicated Monitor Section allows the user to listen to and view the various sig-
nals operating within the Console.
This section consists of the monitor select circuitry and dual LED meters,the Solo
system,and headphones.
103
monitor metering
103
104
Two LED meters,L and R, are provided to display the level of the Monitor source.
These meters are calibrated to properly display the internal levels within the console.
The 0VU point is the nominal operating level of whatever signal is being monitored.
If more than one source is selected,the meters will display the level of those mixed
sources. If the solo circuitry has been activated,the solo LED will light and the
meters will display the level of the solo signal.
solo off
Normally,the Monitor system will be interrupted by the Solo system.If a Solo but-
ton is pressed (PFL orAFL),the Solo LED between the meters is illuminated and
the Solo signal is displayed on the LED meters.The Solo audio takes the place of the
selected Monitor sources for both the Monitor outputs and the headphones.
If the Solo Off button is depressed,the meters and headphones will still switch over,
however the Monitor OutputsWILLNOT be interrupted by the Solo.This allows
the Monitor Output jacks to be used as an additional output for any of the 7 avail-
able sources or their mixture.Since the sources feeding the Monitor section are
Pre-fader,this additional output is controlled only by the Monitor Level pot,and is
independent of any of the main fader settings.
104
105
105
source select switches
The operator can choose which signals to listen to and view by using the Source
Select switches. These switches select the Pre-Fader source of these seven sets of
signals:
Stereo Return,Mono bus,L-R buses,Groups 1-2,Groups 3-4,Groups 5-6,
Groups 7-8
The Monitor System circuitry is stereo,and these are all stereo sources except for
the Mono bus. These 7 signals can be combined by selecting more than one source.
All sources that are selected will be equally mixed together.This combined signal is
then displayed on the Monitor LED meters and fed to the Monitor Level pot and to
the headphone system.
106
107
106
107
sum to mono
A Sum to Mono switch is provided which mixes the L and R monitor rear-panel out-
puts together. This switch is useful if feeding a single external monitor speaker. The
LED meters and headphones are not affected by this Sum switch.
Level
This control feeds the Monitor Output jacks (1/4”TRS) on the rear panel.It does
NOT affect the level of the headphone feed or the LED meters.
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HPW owner’s manual
master section
¡
monitor output 1/4"TRS jack (rear panel)
108
The monitor output signal is available on these output jacks.The jacks are
impedance-balanced and ground-compensated.
Tip is +Drive,Ring is -Drive Return,Sleeve is Chassis Ground
Send (Drive) impedance is 50Ω
Ring impedance is 50Ω toAudio Ground
Nominal Operating Level= +4dBu
Max Output Level= +21dBu (into 2kΩ or higher)
108
NOTE: Since the Solo
system uses a sum-
+
solo operation
ming bus, if more than one
source is selected (PFL switch
is depressed), the signal being
displayed and heard is a mixture
of those selected signals. When
The HPW is equipped with a stereo solo bus that allows the operator to monitor
the various signals within the Console. All Input channels have a PFL (Pre-Fader
Listen) switch. Outputs are equipped with anAFL (After-Fader Listen) switch. The
PFL circuit on the Inputs allows the operator to properly set the channel’s internal
signal level using the channel’s Gain pot and Pad switch.Since the signal being moni-
tored is PFL the mute status,the channel fader level and any bus assignments,are
ignored. This allows a channel to be monitored and adjusted without being sent into
any of the main mixes. The operator has a chance to properly set the levels and EQ
of a channel before anyone else might hear it.
setting the gain of an Input chan-
nel, make sure that only 1 Input is
selected to avoid errors.
For Outputs,theAFL signal point allows the operator to hear exactly what is being
fed to the outside world. The output level,as well as any inserted processing gear,
can be monitored by the Solo system.For times that a Pre-Fader point needs to be
checked,the Monitor Sources can be used to listen to a bus before its main fader.
solo metering
109
Whenever a Solo button is pressed (PFL orAFL),the SOLO LED indicator will
illuminate and the Monitor Source LED meters will switch-over to display the Solo
bus level. These meters are calibrated to properly display the different internal levels
within the console. The 0VU point is the nominal operating level of whatever signal
is being Soloed.Use the Solo system and metering to set the gain of an Input chan-
nel,monitor the output level of a bus,or check on the vocal blend of anAux moni-
tor mix.
109
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master section
¡
headphone source
The operator can use the headphones to listen to the various signals within the
Console.The headphones are normally fed from whatever sources are selected in the
Monitor Section. The level is controlled by the Phone Level control (the Monitor level
control will not affect the headphone level).
When Solo is active,the headphones automatically switch over to the Solo bus. Any
channels that are assigned to the PFL orAFL bus will be heard.The Monitor meters
automatically switch over to the Solo bus to display the levels of any solo signals.
headphone jack (1/4"TRS)
The headphone signal is available on this jack,and is located beneath the wrist-rest on
the front chassis. The headphone driver is designed to drive headphones of 8Ω or
higher impedance (30Ω is typical).
110
phones level
110
111
This control adjusts the headphone level.
mute scene edit/cancel
This switch is used when programming the mute presets. To edit a scene,press this
switch. The mute preset lights flash until you select the preset you wish to edit. At that
time,the selected mute scene preset light will flash along with the channel mutes that
are currently assigned to that preset. Turn on or off any mutes that need to be added
or removed from the preset,press the Store button (112),then push the button for the
preset where you wish to store this setup. To cancel a mute program made in error,
simply press the edit switch again to cancel the action instead of storing the changes.
111
112
113
mute group store
112
113
Once a mute preset has been edited,store it by pressing this switch. The preset lights
will flash,with the one currently being edited lit solid. Press the button of the preset
that will receive the new setup. To cancel a store,press the edit/cancel button instead
of the preset button. Alternatively,pressing the store button without first pressing the
edit button (111) allows you to store the mutes currently engaged.
single scene mode
There are two modes of operation in the digital mute system. In the default mode,
each of the mute scenes can be individually activiated and deactivated. This mode
works well for muting groups of microphones that share a common function.The other
mode of operation is the single mute scene mode,where only one mute group button
can be active at a time. This scene works well for creating scenes that are for a particu-
lar part of the performance. The scene would then unmute all needed mics,and mute
the unused mics at one time. To activate the single scene mode,simple use a small tool
and press the recessed button.
114
114 presets
Each preset holds a stored mute scene. All the channel mutes and the ambient
mute can be part of a preset. When a preset button is pressed, the channels
assigned to that scene will mute. When pressed again to disengage the Mute
Scene, those channels that are part of that scene will unmute unless the channel
is locally muted or is muted as part of another mute scene. Depending on the
mode, the 8 mute scene buttons can each be muted or un-muted independently.
Pressing a mute scene button will cancel the previous selection when in single
mute scene mode.
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HPW owner’s manual
master section
¡
talkback section
The operator can use the built-in facilities of the HPW to talk to the main,group,or
aux buses in the console.Often times,the operator will need to selectively commu-
nicate with a performer,or slate a performance during a recording.
115
116
115
talkback input
This front-panel XLR jack can accept mic-level signals and is equipped with a phan-
tom power option header (internally located behind the XLR jack within the Master
module).The default setting for the phantom power is ON.
NOTE:+18 volts phantom power is available for theTB mic.Most condenser mics
will operate at this voltage,but there are some microphones that need the full,+48
volts to properly function.Only use dynamic microphones,or condensers that can
operate properly on +18 volts for theTB mic.
117
116
117
talkback level
This control sets the level of theTB signal to be sent to the selected buses.
talk to (talkback select switches)
The operator can choose which buses are fed by theTalkback audio using these 8
switches.The 3 main buses,all 8 groups,or theAux buses (in pairs) can be selected.
118
talk on (talk back on with LED)
This latching switch feeds theTalkback audio to the selected buses. The LED lights
when it is active.
118
output metering
Ten dedicated LED meters show the output level of whatever signal is being con-
trolled by the corresponding 100mm fader.Normally the 8 Group outputs,along
with the L and R main buses are displayed across the 10 meters.If a Fader-Reverse
switch is depressed,that correspondingAux output (1 thru 10) is displayed instead.
The displayed signal is Post-fader and Post-Mute. The meters have aVU-type
response,showing the average levels of the signals being monitored.Use the Peak
LEDs on each individual output to check for any overload conditions for that signal.
NOTE: The +18 and -18
indicators are for the main
analog voltage rails. These are
used to power the majority of the
amps within the Console. The +12
indicator shows the aux-power rail
used to power the LEDs and other
non-audio circuits of the Console.
The +48 LED monitors the phantom
voltage.
+
+
The nominal output level of the HPW console is +4dBu.This is indicated as 0VU on
the meter scale.
power supply monitor
These 4 LEDs,located above the Solo meters,monitor the internal voltages of the
Console.Each green LED indicates the presence of its indicated voltage rail. These
LEDs will illuminate when the Console is powered EITHER from its internal supply
OR from an external supply.See Power Supply section for further details.
lamp connectors
NOTE: Any 12 volt acces-
sory can be powered from
A 12V DC BNC lamp connector is provided on each channel module for console
illumination. There are two lamp groups - one on each side of the master section.
These are current protected with fuses that automatically reset when an overload
condition is removed. (A severe overload may require power cycling to restore
lamp power.) A maximum of 750mA can be drawn from either group.This corre-
sponds to two high intensity Halogen bulbs,or four low intensity incandescent bulbs.
Gooseneck lamp assemblies are available separately.Positive voltage is on the center
pin. The connector barrel is at 0-volts.
these BNC connectors, as long as
it draws less than 750mA (total for
lamp group). You can try one of
those 12 volt personal fans to keep
cool when mixing on a hot day.
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master section
power supply - internal
internal supply
The HPW is equipped with an internal power supply,based on a universal input,
switch-mode design. As such,you can power the HPW from any worldwideAC
mains voltage from 100 to 240 volts,50 or 60Hz.Input power is approx 200 watts
maximum (56-chan console),so power requirements are minimal. A standard IEC
power-inlet socket is used,along with a country-specific line cord,to bringAC power
into the Console.The power supply,along with the entire console,is UL/CUL and
CE rated for safety and emissions. There is an internal fuse for safety reasons,but no
external fuse is provided.There are no user serviceable parts inside. The entire PSU
assembly would be replaced in case of failure.
The power supply is always located under the first input module to the left of the
Master module (viewed from the front of the console).The rear-panel of that Input
module has the normal compliment of input connectors,plus the additional,power-
supply related controls.
119
AC input
A standard 15 amp,IEC power-inlet socket is used to bringAC power into the
Console.Use the appropriate line cord for the country of operation. Any worldwide
voltage is acceptable,from 100 to 240 volts,50 or 60Hz. Input power is 200 watts
max.
NOTE: The proper
+
line cord is sup-
plied with the HPW to
match the country of des-
tination. If lost or missing,
a standard, approved IEC
cord-set can be used.
120
121
on-off switch
This switch turns the internal supply on or off.It has no direct effect on the External
DC connector.
Ext DC Connector
This 7-pin connector is used to bring DC voltages into the console from a back-
up,or stand-by (redundant) supply. These externally-sourced voltages are“diode-
steered,” along with the voltages from the internal supply,to provide power for the
console. Although this connector is protected against incorrect hookup (reverse or
over-voltage),ONLY Crest-approved power supplies should be used.
119
120
121
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12
HPW owner’s manual
power supply
external power supply - front
NOTE: The 2U rack-mount panel can be removed from the chassis if a stand-alone, floor or desktop supply is
preferred. Remove the six #8 screws securing the front panel to the chassis. Remove the front panel and store
it away, then replace the #8 screws (to fill the threaded holes in the front of the chassis). Attach the supplied
feet to the bottom of the chassis in the four indicated positions.
external power supply - rear
external power supply - DC out connector
console rear - external DC connection
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power supply
external power supply
The style and pinout of the DC Connectors on the HPW are the same as the Crest X-Series of consoles (X-Eight,
X-Four,X-VCA,X-Monitor),and the existing X-Series supply CAN be used to power the HPW console.The voltage
requirements are the same,but the current demands are less with the HPW.
The better (and cheaper) solution for an external supply is to use the supply designed for the HPW,the model XPS-
SW3. This external supply uses the same basic PSU assembly from the HPW,fitted in a 2U chassis. The rack-mount
faceplate can be removed if a stand-alone,floor or desk mounted supply is desired. AC power requirements are the
same. Any worldwide voltage can be used to power the supply.
power supply controls - front
power When this switch is ON, AC power is supplied to the internal circuits.
DC status
These four green LEDs show the condition of the four main DC supply voltages present on the rear-panel DC output
connector.
power supply controls - rear
AC input
This is a standard,15 amp IEC power inlet connector. A mating cord set is normally supplied with the Console to
match local power requirements. Any worldwideAC mains voltage is acceptable,from 100 volts to 240 volts,50 or 60
Hz.Maximum input power is 200 watts.
fan
There is a low-speed fan mounted within the power supply. This fan will draw cooling air through the rear and
exhaust it through the slots in the sides of the chassis (you won’t feel a lot of air moving). Do not block the vents or
the supply could overheat and be damaged.
DC output
This 7-pin circular socket connector carries the DC voltages from the supply. It should be connected (via the DC
power cable) ONLY to the DC Input connector of approved Crest Consoles.Even though the power supply is
protected against output abuse,it was specifically designed for Crest mixing consoles.It may not function properly if
attempts are made to power other devices (including other manufacturer’s consoles!).
ground link
When using an external supply,the Console’s internal supply is plugged into anAC outletAND the console is con-
nected (via the DC cable) to an external supply which has its ownAC plug and outlet.These two,differentAC outlets
may be at different ground potentials.Depending on various (sometimes unknown) conditions,a“ground-loop” may
occur. This usually manifests itself as a low-level hum in the console outputs.
This barrier-strip is provided to allow the chassis-ground of the external power supply to be lifted from the console
audio-ground,thereby removing the 2nd (loop) path of the Console’s audio-ground to theAC outlet grounds.The
Console’s internal supplyALWAYS has the console chassis-ground and audio-ground tied together inside the console.
Normally,the supplied metal link ties the two barrier-strip ground circuits together. This link can be removed to sepa-
rate these two grounds of the external supply to minimize hum.
NOTE: Removing this link DOESNOT lift the chassis of the external supply from theAC safety ground,the chassis of the
power supply enclosure isALWAYS attached to the 3rd wire ground of theAC inlet connector. That connection is there
for safety reasons- it shunts (to theAC ground plug) any dangerous internal faults that may contact the chassis metalwork.
ATNOTIMESHOULDTHIS 3rdWIREGROUNDBE DEFEATED (by cutting off theAC plug ground pin or by improperly using a
ground-lift adapter).
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HPW owner’s manual
power supply
power supply - dual hookup
EXTERNAL POWER SUPPLY
• SOLD SEPARATELY •
IEC
LINE CORD
DC POWER CABLE
• SOLD SEPARATELY •
• SUPPLIED •
WITH PSU
TO
COUNTRY-SPECIFIC
AC PLUG
POWER INPUT REAR PANEL
IEC
LINE CORD
• SUPPLIED •
WITH CONSOLE
HPW
TO
COUNTRY-SPECIFIC
AC PLUG
Dual-Power Connection Detail
NOTE: When using an external supply in Redundant-Mode (External supply always powered ON with the Console),
having the Console and the External power supply plugged into two separateAC circuits will give an extra measure of
backup.If one of theAC circuits should fail (overload,bad cord,someone tripping over a wire,etc),the other supply
(internal or external) will continue to operate.Wired in this way,you are providing a redundant path for theAC power
in addition to the redundancy provided by the supplies themselves.
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power supply
power supply - dual
powering the HPW
There are 4 distinct ways to power the HPW:
1) Internal Supply ONLY
2) Internal Supply PLUS an External Supply as a Redundant Supply
3) Internal Supply PLUS an External Supply as a Back-Up Supply
4) External Supply ONLY
# 1 is the default powering method. The HPW comes equipped with an Internal Supply and line cord.
# 2 and #3 differ only in their implementation.Both depend on an external supply (plus DC cable) to take over
if the internal supply fails,but differ in the philosophy behind their operation.
For method #2,the External supply is always connected to the HPW and is powered-up whenever the HPW’s
internal supply is on.If the internal supply fails,the external supply takes over immediately without any operator
intervention or audio interruption.The same thing happens if the external supply fails;the internal supply keeps
the console operating. Basically,you have two supplies powering the console.If either of the supplies fail,the
other continues to operate.
For method #3,the external supply is connected to the HPW in the same way as #2,but the supply is
switched OFF.If the internal supply fails,the external supply is then switched on. This requires the operator to
manually perform the switch over.During the down-time,the console stops working,and there could be a dis-
turbing POP when the power comes back on.
Choosing method #2 or #3 comes from one’s belief as to what’s more likely to happen:
A) An internal failure of a power supply from a general component fault
OR
B) An overallAC power-related problem that causes a supply to fail.
If you believeA is more likely,then use method #2. You are keeping both supplies always on-line to cover for
one another.The switch-over is seamless,so the only way to later check for a faulty supply is to try to run the
console on the internal or external supply only. The External supply does have its own set of status LEDs.
If you believe that you’re more likely to encounterAC power-related problems severe enough to fry a supply,
use method #3 and keep the back-up supply switched OFF until you need it.(Some users go as far as not even
plugging the supply into the power strip until they’re sure that the power is restored and good).
Our recommended method is #2. The supply (both external and internal) is designed to operate from 100 to
240 volts without a problem.In fact,it can handle 260 volts input and stay within spec.It is unlikely that an input
overvoltage condition will cause the supply to fail.By keeping both supplies on at all times,audio continuity is
maintained if one of the supplies fail.
Method #4 was listed as a possible way to power the HPW:External supply only. Typically,this method is only
used in the event of an internal supply failure. You can still operate the unit until an internal power supply
replacement is obtained. The internal,failed supply should be switched OFF and noAC line cord should be fit-
ted.If an internal supply fails,it is unlikely that it will interfere with the External supply’s operation.
NOTE: You will NOT get better noise,distortion or overall performance gains from the HPW if you power it
from an external supply.This may be true for some other brands of consoles,but the HPW was designed for full
performance even when operated from its internal supply.
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HPW owner’s manual
specifications
£
Frequency Response
20Hz–20kHz • +0/-0.5dB Any input to any output (Ref 1kHz @ +15dBu output level)
THD+Noise
Chan Input to Group or Main Output (Left/Right/Mono)
<0.01% THD 20Hz to 20kHz at +15dBu out
Noise
(20Hz to 20kHz)
Mic EIN: <-127 dBu (Measured @+60dB gain, 150Ω source)
Bus Noise: Better than –85dBu (w/32 Channels Routed)
Crosstalk
(Measured 20Hz-20kHz, Ref to +15dBu output)
Channel Mute >90dB
Channel Routing >85dB
Channel fader attenuation >85dB
Aux Send attenuation >80dB
Phase Shift
XLR Inputs
<+/-30 degrees 20Hz to 20kHz mic in to main out
2k5 ohms Balanced
MaxVoltage Gain: Mic-In To Group To Left/Right Balanced Out= 90dB
Main Outputs
L/R/Mono Out: 100Ω Balanced Male XLR • Max Output= +26dBu
Aux/Group Out: 50Ω Ground-Compensated/Impedance-Balanced TRS • Max Out= +21dBu
Channel Direct Out: 100Ω Impedance-Balanced TRS • Max Out= +21dBu
Insert Points
TRS Jack • Tip= Send, 100Ω Output Impedance • Max Out= +21dBu
Ring= Return, 5kΩ Input Impedance
Channel Insert Level= +4dBu
Bus Insert Level= -2dBu
Internal Power Supply
AC Input: 100-240VAC, 50/60 Hz via 15A IEC Mains connector
7-Pin DC Connector provided for external (redundant) PSU
Maximum power consumption (56-chan): 200 watts
Ext DC Power Requirements
(Max for 56-chan model)
+/- 18 volts @ 3 amps (Main analog rails)
+12 volts @ 3 amps (LED and aux circuits)
+48 volts @ .6 amps (Phantom voltage)
NOTE: Use ONLY Crest Approved power supplies for the HPW
Dimensions: HPW 20+4
Weight: HPW 20+4
Inches: 46.5 X 28 X 9
72 lbs 33 kG
MM: 1175 X 702 X 229
MM: 1424 X 702 X 229
MM: 1673 X 702 X 229
MM: 1922 X 702 X 229
MM: 2171 X 702 X 229
Dimensions: HPW 28+4
Weight: HPW 28+4
Inches: 56.5 X 28 X 9
90 lbs 41 kG
Dimensions: HPW 36+4
Weight: HPW 36+4
Inches: 66 X 28 X 9
110 lbs 50 kG
Dimensions: HPW 44+4
Weight: HPW 44+4
Inches: 76 X 28 X 9
125 lbs 57 kG
Dimensions: HPW 52+4
Weight: HPW 52+4
Inches: 86 X 28 X 9
145 lbs 66 kG
Dimensions are Width X Depth (Front-to-Back) X Height
NOTE: Call for detailed chassis drawings before attempting to build a roadcase.
write-in label - The white area at the bottom of each channel may be written on with a grease-marker,and later wiped clean
with a cloth moistened with isopropyl/rubbing alcohol. Artist (Board) tape may also be applied to this surface,and the tape marked
with a permanent marker.NOTE:Do not write directly on the Console’s surface with a permanent marker. Avoid using standard
masking tape;it dries out and leaves a hard-to-remove glue residue.
p. 58
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