ISIS Series High Performance Portable Loudspeaker
I-82H
203 mm (8”) two-way
With Speakon® inputs,
pole cup and
mic stand adapter
User Manual
EN
I-YM8
Optional Accessory Kit
Multi-purpose yoke mount/ floor monitor hardware
*TD-000140-00*
TD-000140-00 rev.A
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I-82H Introduction
Thank you and congratulations on your purchase of the ISIS Series
I-82H High Performance Portable Loudspeakers. This product rep-
resents the state-of-the-art in lightweight sound reinforcement
loudspeaker systems. To get the most from your investment, we
encourage you to review this manual carefully.
The I-82H loudspeaker system is a full range, high output, two-
way design delivering superior sound quality and high SPL in a
lightweight, attractive enclosure. Equipped with two Speakon®
connectors, connection is fast and reliable with parallel connec-
tion of multiple cabinets literally a snap. These loudspeakers
make an excellent choice for a wide variety of applications.
Two mounting adapters are provided; a pole cup that accepts
1.375” or 1.500” (35 mm or 38 mm) pole diameters and a 5/8”-27
mic stand adapter (fits most mic and boom stand hardware). The
pole cup is equipped with a retaining knob to secure the adapter
to the pole. Also included are four self-adhesive rubber feet for
the bottom of the enclosure.
EN
I-YM8 Optional Yoke Mount / Floor Monitor Kit
The optional I-YM8 Accessory Kit provides a yoke mount suitable
for pole mounting and a pair of swivel extension feet for use as
floor or stage monitors. The included pole cup or mic stand
adapter can be attached to the yoke mount using the included
knob as well as standard truss clamps for additional mounting
options.
Coverage Angles
Before mounting the loudspeaker, determine the mounting orien-
tation and desired coverage angles. As supplied from the factory,
the loudspeaker’s coverage angles are 90° (horizontal) x 60° (ver-
tical) with the cabinet oriented vertically. The waveguide can be
rotated to interchange the coverage angles.
Rotating the Waveguide to Alter HF Coverage Pattern
1- Remove the grill. Gently and evenly work the grill out of its
retaining groove to avoid bending the grill.
2- Remove the eight waveguide retaining screws. A #2-size Phil-
lips screwdriver is recommended.
3- Reach into the waveguide’s port and pull gently to remove the
waveguide. Be careful not to damage the connections, wiring, or
the gasket between the waveguide and the cabinet.
4- Rotate the horn 90° clockwise or counter clockwise and set it
back in place. Make certain the wiring is not stressed or pulled
loose from its connections.
5- Before reinstalling the waveguide screws, lift the assembly a
small distance and make sure that the gasket is properly in place.
Reposition it, if required. Set the waveguide in place and reinstall
the screws. Do not overtighten.
6- Replace the grill.
Logo Badge Rotation
The logo badge on the grill screen can be removed, rotated, and
reinstalled. Using your fingers, pull the logo badge straight out.
Rotate to the desired position and push back into place.
3
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Connection
The I-82H has two Speakon® NL4-type connectors wired for full
range, passive operation. Connect the amplifier’s + and - outputs
directly to the Speakon’s 1+ and 1- terminals.
The two connectors are wired in parallel to make parallel cabinet
connection easy. Your amplifier must be able to safely power the
lower impedance of parallel-connected loudspeakers.
The I-82H is not wired for biamp oper-
ation. Do not connect biamplified
equipment to the I-82H.
EN
NL4 to NL4 Wiring (two- and four-conductor cables)
Two- or four-conductor cable may be used for Speakon to Speakon
connections. Four-conductor cable can be used, but the extra con-
ductors do not carry signal.
To Loudspeaker
To Amplifier
Banana to NL4 Wiring
To Amplifier
To Loudspeaker
1/4” Phone to NL4
To Amplifier
To Loudspeaker
Maintain proper speaker and amplifier connection polarity throughout the entire system. All
positive-marked loudspeaker terminals should be connected to positive-marked amplifier
output terminals. This will provide the best possible low-frequency output from your system.
4
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Mounting
Stand Alone Mounting
If using the loudspeaker only, it can be set on any
appropriate surface. The cabinet will lean back at a
slight angle when set on a flat surface. Install the
four self-adhesive rubber feet on the cabinet bottom
to stabilize the loudspeaker and to help prevent it
from moving due to cabinet vibration at high output
levels.
Ensure the mounting
surface and support-
ing structure are
appropriately strong enough to
support the loudspeaker
assembly and any potential
vibration or seismic activity.
On the back of the loudspeaker, near the bottom, is
a safety cable attachment point. Install a safety
cable strong enough to support several times the
weight of the loudspeaker assembly in the event it
may fall. The cable must be secured to a secondary
support point which is also strong enough to sup-
port several times the loudspeaker’s weight.
Attach a safety cable to the
attachment point on the bot-
tom-back of the loudspeaker.
Ensure the safety cable, cable
attachment technique, secur-
ing hardware, and attachment
points are strong enough to
support several times the
weight of the loudspeaker in
the event of a primary-mount
failure.
EN
IMPORTANT! ENSURE THAT THE
LOUDSPEAKER IS MOUNTED PROP-
ERLY AND A SAFETY CABLE IS
INSTALLED TO RETAIN THE LOUD-
SPEAKER IN THE EVENT OF A MOUNT-
ING FAILURE.
Pole Cup
The included pole cup will fit 1.375” and 1.500” (35
and 38 mm) diameter poles. To use the pole cup,
thread the adapter into the insert on the bottom of
the loudspeaker. Ensure the adapter is secure
before mounting on pole. Set the pole cup onto the
pole and make sure the pole seats fully into the
adapter. 1.500” (38 mm) poles will seat about 2” (50
mm) deep in the adapter, and 1.375” (35 mm) poles
will seat about 4” (100 mm) deep in the adapter.
Make sure the set screw retaining knob is in the
correct hole for the pole size used and that it is
tightened.
5/8”-27 Mic Stand Adapter
The mic stand adapter is intended for use with
large-base tripod microphone stands.
5
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Optional I-YM8 Accessory Kit
The I-YM8 Accessory Kit includes a yoke mount bracket, two loud-
speaker retaining knobs, two swivel feet with retaining knobs,
mic stand adapter, pole cup and retaining knob.
The I-YM8 Accessory Kit enables you to mount the loudspeaker to
most any surface using the yoke mount bracket, or use as a floor
monitor by attaching the two swivel feet. If wall mounting the
yoke, we recommend removing the swivel feet. The yoke mount
bracket may be attached to the pole cup, mic stand adapter, or a
standard truss clamp.
EN
Floor Monitor Use
Attach the two swivel feet using the retaining knobs provided.
Use any of the holes along the centerline of the bracket, one
toward each end. Rotate the feet into place and tighten the knobs
to prevent rattling. Attach the loudspeaker and secure in place
with the large retaining knobs.
Pole Cup Use
For pole cup use, attach the pole cup to the yoke mount bracket.
Use the intermediate-sized retaining knob to secure the adapter
to the yoke using the large hole in the center of the bracket.
Attach the loudspeaker and secure in place with the large retain-
ing knobs. Make sure the swivel feet are tight or removed com-
pletely to prevent rattling.
IMPORTANT! ENSURE THE LOUDSPEAKER IS
MOUNTED PROPERLY AND A SAFETY CABLE IS
INSTALLED TO RETAIN THE LOUDSPEAKER IN THE
EVENT OF A MOUNTING FAILURE.
Ensure the mounting surface and supporting struc-
ture are strong enough to support the loudspeaker
assembly during any potential vibration or seismic
activity.
Attach a safety cable to the attachment point on the
bottom-back of the loudspeaker. Ensure the safety
cable, cable attachment technique, securing hard-
ware, and attachment points are strong enough to
support several times the weight of the loud-
speaker in the event of a primary-mount failure.
6
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I-82H Loudspeaker Dimensions
EN
I-YM8 with I-82H Loudspeaker Dimensions
7
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Specifications
1
Frequency Response :
80- 21k Hz (-6 dB)
60- 22k Hz (-10 dB)
2
Maximum Output :
(calculated)
113 dB SPL continuous rms output
119 dB SPL peak output
Impedance:
8 ohms nominal
7.0 ohms minimum, 210 Hz
135 ohms maximum
3
Power Rating :
rms (IEC 100 hrs):
recommended amp power:
200 watts rms
400 watts rms
EN
Sensitivity:
90.5 dB, 1 watt, 1 meter, free field (4 pi)
Directivity Index:
500 Hz
4.0
5.5
11.7
8.9
8.6
7.2
1000 Hz
2000 Hz
4000 Hz
8000 Hz
16000 Hz
Q:
500 Hz
2.5
3.6
14.7
7.7
7.3
5.3
1000 Hz
2000 Hz
4000 Hz
8000 Hz
16000 Hz
Weight:
I-82H: 17.5 lb. net, 20.5 lb. shipping
I-YM8: 2.8 lb. net, 5.0 lb. shipping
Nominal Coverage:
Enclosure and Grill:
Connectors:
90° horiz. x 60° vert., waveguide can be rotated 90°
high impact polystyrene, removable metal grill, logo badge can be rotated
two (2) Neutrik Speakon NL4FC connectors wired in parallel, +signal: pin 1+, - signal: pin 1-
Mounting Hardware:
Included: Pole cup (attaches to loudspeaker bottom or optional yoke mount,
fits 1.375” or 1.500” (35 mm or 38 mm) diameter poles) and 5/8”-27 mic stand adapter.
Optional: Yoke mount with retaining knobs, two swivel feet for using yoke mount as stage
monitor, pole cup (attaches to loudspeaker bottom or optional yoke mount, fits 1.375” or 1.500”
(35 mm or 38 mm) diameter poles) and 5/8”-27 mic stand adapter, and retaining knob for pole cup.
NOTES:
1- All frequency ranges specified refer to measured free-field response (4 pi).
2- Calculated maximum peak SPL at 1 m, free-field, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.
3- Maximum input power tested in accordance with IEC recommendations; 50 Hz to 20 kHz band limiting, 6 dB signal crest factor.
Specifications are subject to change without notice.
8
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I-82H Beamwidth, Response, and Impedance Curves
I-82H Horizontal and Vertical Beamwidth Vs. Frequency
EN
Horizontal
Vertical
Frequency (Hertz)
I-82H Response On-Axis, 20° Off-Axis, 40° Off-Axis, and Impedance Vs. Frequency
On Axis
20° Off Axis
40° Off Axis
Impedance
Frequency (Hertz)
Specifications are subject to change without notice.
9
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Painting the I-82H Loudspeaker
The loudspeaker enclosure, grill, and mount can be painted to match any decor, provided the following precautions are observed.
The cabinet is made of high impact polystyrene which requires controlled painting procedures in order to obtain good results. Use a
paint “system” designed for high impact polystyrene from any reputable paint supplier.
1- Remove the grill.
2- If painting mount and loudspeaker as a unit: Attach the I-YM8.
3- Mask the loudspeaker’s input connector.
4- Mask the woofer, tweeter, and port being certain not to apply tape directly to the drivers. Alternatively, the inside of the grill can
be completely masked and set in place on the loudspeaker enclosure for painting.
5- Wash the components to be painted with a mild soap and hot water. Be careful not to get water on or into either of the drivers or
the input connections. Rinse with hot water. Allow to dry thoroughly.
6- Scuff-sand the components to be painted using red Scotchbrite® pad or 320 - 400 grit sandpaper.
7- Using compressed air, remove all dust from the components to be painted. Do not blow compressed air directly into either driver.
8- Clean the components to be painted.
EN
9- Using a clean, lint-free, white cloth, wipe the components to be painted with suitable prep solution.
10- Apply adhesion promoter.
11- Apply primer topcoat.
12- Apply paint.
13- Allow to dry for at least 8 hours before handling.
10
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How to Contact QSC Audio Products
Cómo comunicarse con QSC Audio Products
Comment prendre contact avec QSC Audio Products
Kontaktinformationen für QSC Audio Products
联系 QSC Audio Products
Mailing address:
QSC Audio Products, Inc.
1675 MacArthur Boulevard
Costa Mesa, CA 92626-1468 USA
Telephone Numbers:
Main Number
(714) 754-6175
Sales & Marketing
Customer Service
(714) 957-7100 or toll free (USA only) (800) 854-4079
(714) 957-7150 or toll free (USA only) (800) 772-2834
Facsimile Numbers:
Sales & Marketing FAX
Customer Service FAX
(714) 754-6174
(714) 754-6173
World Wide Web:
E-mail:
QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA
©2003 “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office.
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