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ALPHASONIK
Owner's Manual
HIGH CURRENT POWER AMPLIFIERS
PMA600HCE / PMA640HCE / PMA1000HCE
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Introduction.................................................................................3
Features and Specifications.....................................................4-5
Controls & Funtions.................................................................6-9
Planning & Mounting Your System............................................10
Wiring Diagrams..................................................................11-13
Adjusting & Tuning....................................................................14
Troubleshooting.........................................................................15
Warning / Disclaimer.................................................................16
Warranty...............................................................................17-18
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Thank you for purchasing this Alphasonik product.
Alphasonik products are specifically engineered and designed for
the mobile audio environment. This manual contains important
information about installation, set-up procedures and integrating
your new Alphasonik product into your vehicle. With proper care
and installation, your new product will provide you with many years
of high performance listening enjoyment. We recommend having
an Authorized Alphasonik Dealer install your new product for
optimal performance and to take advantage of our warranty
program. Before installing your new product, please read through
the manual to fully understand the application.
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Before making any electrical connections, make sure that
you disconnect the battery’s ground cable to prevent the possibil-
ity of short circuits or damage to your electronic equipment. If your
vehicle’s stereo (head unit) comes with an Anti-theft code, DO NOT
disconnect the battery. If you have the access code for the stereo
(head unit), please refer to the vehicle’s owner’s manual.
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High Current Power Amplifier
1 Ohm Mono (PMA 600HCE / 640HCE / 1000HCE)
Hour Meter
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Cooling Fan
Remote Control For Digital Voltmeter
Beveled Clear Acrylic Protective Cover
Tiffany-Style Input and Output RCA Jacks
Heavy-Duty Heat Sink
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High Speed Switching Power Supply
Double Sided Glass Epoxy Circuit Board
4-Way Protection Circuitry: Thermal, short Circuit,Overload and DC
Offset
On Board Hook -Up Terminals
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PMA600HCE / PMA640HCE / PMA1000HCE
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PMA640HCE
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1. Speaker Terminals: These nickel plated connectors can accept from 10 to 8
gauge wire. Be careful to observe proper polarity when connecting the cables.
2. To avoid unwanted ignition noise caused by ground loops, it is essential that
the amplifier be grounded to a clean, bare, metal surface of the vehicle’s chas-
sis. The nickel plated connector can accept from 4 to 2 gauge wire
Note: THE GROUND WIRE SHOULD NOT BE EXTENDED MORE THAN 3’ 6”
(1 METER).
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3. REMOTE TURN-ON INPUT: Attach to remote or power antenna output of a
car stereo. This amplifier is turned “ON” remotely when the vehicle’s stereo is
turned “ON”. The nickel plated connector can accept from 18 to 16 guage wire.
Note: IF YOUR RADIO DOES NOT HAVE A +12 VOLT OUTPUT LEAD WHEN
THE RADIO IS TURNED ON, THE “REMOTE” TERMINAL ON THE AMPLIFIER
CAN BE CONNECTED TO THE VEHICLE’S ACCESSORY CIRCUIT THAT IS
LIVE WHEN THE KEY IS “ON”.
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4. Battery Positive Terminal: Due to the power requirements of the amplifier, this
connection should be made directly to the positive (+) terminal of the battery.
For safety measures install an in-line fuse holder (not included) as close to the
battery positive (+) terminal as possible with an ampere rating not to exceed the
value of the fuses in Amplifier.
5. Input Sensitivity Adjustment: This control adjusts the amplifier’s input sensitiv-
ity. Input sensitivity is variable from 200 Mil volts to 8 volts. Clockwise increases
sensitivity. Counterclockwise decreases sensitivity. This knob is not a volume
control for the amplifier. The amplifier can be driven to full power with a wide
range of signal levels. A lower signal level will require increased sensitivity for full
power. A higher signal level will require decreased in sensitivity.
6. Bass Boost Frequency Adjustment: This control adjust the frequency to be
boosted from 40Hz to 100Hz. (PMA800HCA).
7. Bass Boost Gain Adjustment: This control adjust the Bass Boost Gain for the
amplifier’s speaker output (0 to +18dB).
8. Crossover: Adjust the crossover for your chosen installation method.
-LOW: Low pass filter-only bass tones (50Hz – 250Hz) go to speakers. Use with
or sub-woofer
- FULL: No filter-all tones go to speakers. Use with full-range speakers, or with
external crossovers.
-HIGH: High pass filter-blocks very low tones (50Hz – 250Hz) from the speakers.
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9. Variable Low-Pass filter (50Hz – 250Hz): For use as a dedicated subwoofer
channel, set filter switch to “LPF”. Adjust variable crossover frequency with
control as desired. The amplifier input circuit filters out everything above 50Hz…
..250Hz (dependent on the adjustment of the frequency control), so only the
deepest bass notes are amplified.
10. Variable High-Pass Filter (50Hz – 250Hz): For use as a dedicated mid high
range channel, set filter switch to “HPF”. The input out all frequencies below
50Hz…..250Hz.
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11. Variable Subsonic Filter (20Hz ~ 60Hz)
12. Phase Shift Switch (0 And 180 Degrees): allows you to change the phase of
your subwoofer from 0 to 180 degrees to help compensate for timing difference
between drivers
13. Low level Input RCA Jacks: These inputs are for signal cables from the
source unit, always use high shielded RCA cables.
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14. Line Out: The Line Out allows you to build multiple amplifier systems without
having to use splitter cords to distribute the signal. Now it is a matter of bringing
one set of RCA’S into the first amplifier, then using the LINE OUT RCA jacks as
the feed to the next amplifier.
15. Remote Digital Voltmeter- Fig. 1
This LCD indicates the range from 10 volts
to 15 volts.
The LCD shows "LO" for 10 voltsbelow and
"HI" for 15.5 volts over.
16. (Optional) Bass Boost Knob: The remote bass boost knob works in con-
junction with the amplifiers bass knob.
HOUR METER - The hour meter is designed to provide the user with actual toal
running time for the unit. Each number represents one hour of operation. (Fig 2)
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Planning Your System
Before beginning the installation, consider the following:
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A. If you plan to expand your system by adding other components sometimes in
the future, ensure that adequate is left, and cooling requirements are met.
B. Are your components matched? The peak power rating of your speakers must
be equal or greater than the amplifier’s. They also must be 2-8 ohms impedance
(This information is normally printed on the speaker magnet).
C. Consider the length of your leads which should not be too long or short when
determining the mounting location. Pre-Amp input jacks require a length of high
quality shielded male to male RCA patch cord.
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Mounting Your Amplifier
The mounting position of your amplifier will have a greater affect on its ability to
dissipate the heat generated during normal operation. This amplifier has ample
heat sink for heat dissipation, and is designed with a thermal shutdown circuit
(for heat protection). DO NOT enclose the amplifier in a small box or cover it so
that air is not able to flow freely.
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Temperatures in car trunks have been measured as high as (155 F) in the sum-
mer time. As the thermal shut down point for the amplifier is (185 F), it is easy
to see that it must be mounted in an area that provides for maximum cooling
capability. To achieve maximum advantage of convection air flow in an enclosed
trunk, mount the amplifier in a horizontal position.
Cooling requirements are considerably relaxed when the mounting inside the
passenger compartment since the driver compartment will not allow tempera-
tures to reach a critical point. Floor mounting under the seat is usually satisfac-
tory as long as there is at least 1 inch of clearance above the amplifier’s heat
sink for ventilation.
A. Select a suitable location that is convenient for mounting, is accessible for
wiring, and has ample room for air circulation and cooling.
B. Use the amplifier as a template to mark the mounting holes. Remove the
amplifier and drill holes. Use extreme caution, inspect underneath surface before
drilling!
C. Secure the amplifier using the screws provided.
Caution: Before connecting any wires to the amplifier, disconnect the ground
lead from the battery. Leave the ground lead disconnected until you are done
wiring the amplifier.
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PMA600HCE / PMA1000HCE
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MONO MODE
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BRIDGED
STEREO MODE
TRI MODE
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PMA640HCE
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2 CHANNEL MODE
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3 CHANNEL MODE
4 CHANNEL MODE
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PMA640HCE
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6 CHANNEL MODE
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Turning On The Amplifier
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The amplifier automatically turns on a few seconds after you turn vehicle’s igni-
tion switch to ACC ON or turn on your auto sound system, depending upon how
you wired the system. The POWER indicator on the top of the amplifier illumi-
nates when the amplifier is on.
Important: Your amplifier requires 90 amps or more of power from your vehicle’s
battery during operation. To protect your battery from your battery from discharg-
ing, do not operate the amplifier unless your vehicle us running.
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Adjusting The Audio Level (“Gain Matching”) By Ear
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For best performance, you must match the amplifier’s input sensitivity to your
source unit’s maximum output level. The GAIN CONTROL (MIN / MAX) located
on the side of the amplifier is designed to do this. It is Not a volume control. It
adjusts the incoming signal level so that the source unit and amplifier reach
maximum output at the same time. This assures that maximum system is
achieved with minimal distortion.
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1. Turn the GAIN CONTROL (MIN / MAX) fully counterclockwise to MIN.
2. Play full frequency music that has continuous high levels (FM pop music is a
good choice).
3. Turn up the source unit’s volume control until just before you hear the source
unit’s distortion or 90% of full output (which ever comes first).
4. SLOWLY turn the GAIN CONTROL clockwise until just before you hear ampli-
fier or speaker distortion, until you reach a maximum comfortable listening level
(which ever come first).
5. Turn the source unit’s volume control back to a desire comfortable listening
level and enjoy.
FREQUENCY RESPONSE
BASS BOOST ON
+ 20dB
+ 10dB
0dB
- 10dB
- 20dB
- 30dB
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50
100
500
1K
5K
20K
50K
Note: Raising the LPF frequency allows higher frequencies to reach the bass
speakers while blocking lower frequencies from midrange speakers. Lowering
the LPF frequency allows lower frequencies to reach the midrange speakers
while blocking higher frequencies from bass.
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SYMPTOMS
NO SOUND
CHECK
REMEDY
Is the power LED Check all fuses to amplifier. Be
illuminator? (NO) sure Turn-on lead is connected.
Check signal leads. Check gain
control. Check tuner/deck
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volume level. Clean contacts on
fuse holders
Check for speakers short or
amplifier overheating
Is the Diagnostic LED
illuminated? (YES)
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AMP. NOT SWITCHING
ON
No power to power
wire
Repair power wire or
connections
Check connections to radio
No power to remote
wire with receiver on
Replace fuse
Burnt or broken fuse
NO SOUND IN ONE
CHANNEL
Check Speakers
Leads
Inspect for short circuit or an
open connection
Reverse Left Right RCA inputs
to determine if the problem is
occurring before the amp.
Check Audio Leads
AMP. TURNING OFF
MEDIUM / HIGH
VOLUME
Be sure proper speaker load
impedance recommendations
are observed.
(If you use an ohmmeter that
DC resistance and AC
impedance may not be the
same).
Check Speaker Load
Impedance
PROTECTION LAMP
ON
Turn radio down, wait for amp.
To cool
Shut down
Separate speaker wires and
insulate
Speaker wires
shorted
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Investigate the layout of your vehicle thoroughly before drilling or cutting.
Take care when you work near the gas tank, gas lines, hydraulic lines, electri-
cal components and electrical wiring. Do not use the equipment unmounted.
Attach this system securely to prevent damage, particularly in the event of an
accident or aggressive driving. Do not mount the system so that wire con-
nections are unprotected or are subjected to pinching or damage from nearby
objects. Before connecting or disconnecting power connections at the system
power terminals, disconnect the +12V DC wire at the battery end. Confirm that
your source unit and other equipment are turned off while connecting the input
terminals. If you need to replace the power fuse, replace it only with a fuse
identical to the provided fuse. Using a fuse of different type or rating may result
in damage to the system, which is not covered by the manufacturer’s warranty.
Do not install any product where it may be subjected to excessive heat, moisture
and dust or where it may be repeatedly kicked, brushed or bumped. Make abso-
lutely sure that the terminals for the products are connected to the proper inputs
and outputs from the music source. Never run the wiring on the outside of the
vehicle or under it where it can be damaged by road hazards or any moving
parts of the vehicle. Use existing wire channels, sills, panels and molding strips
inside the vehicle to hide the wiring for safety and a neat appearance.
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DISCLAIMER
IMPORTANT: Never cut any metal that is an integral part of the vehi-
cle’s safety or structural support system. If you are unsure, it is best to have
the product professionally installed by an Authorized Alphasonik Dealer. Never
sacrifice your safety for sound.
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Alphasonik, Inc. warrants this product against all defects in material and work-
manship for a period of one (1) year from the date of original purchase provided
it was purchased from an Authorized Alphasonik, Inc. Dealer. Alphasonik, Inc.
will extend this standard one-year warranty to a period of two (2) years from
the date of original purchase provided your products were purchased from and
installed by an Authorized Alphasonik, Inc. Dealer. (See “Installed Warranty”
below.)
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The conditions of this warranty and the extent of the responsibility of Alphasonik,
Inc. under this warranty are as follows:
1. DATED PROOF OF PURCHASE IS REQUIRED FOR WARRANTY
SERVICE OF THIS PRODUCT. Information about Alphasonik, Inc. authorized
or writing Alphasonik, Inc. at the address listed on the back of this booklet.
2. This warranty will become void if service is performed by any
one other than an approved Alphasonik, Inc. Warranty Service Center.
3. This warranty does not apply to any product which has been
subjected to misuse, neglect or accident, or which has had the warranty seal
broken, serial number altered, defaced or removed, or which has been connect-
ed, installed adjusted or repaired other than in accordance with the instructions
furnished by Alphasonik, Inc.
4. This warranty does not cover car static, electrical interference,
adjustments or labor costs for the removal or reinstallation of the unit for repair.
5. The sole responsibility of Alphasonik, Inc. under this warranty
shall be limited to the repair or replacement thereof, at the sole discretion of
Alphasonik, Inc.
6. If it becomes necessary to send the product or any defective part
to Alphasonik, Inc. or an authorized service station, the product must be shipped
in its original or equivalent carton, fully insured, with shipping charges prepaid.
Alphasonik, Inc. will not assume any responsibility for any loss or damage in-
curred in shipping.
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7. This warranty is not transferable and protects the original purchaser
provided they reside and made their purchase in the United States. International
consumers may contact their local retailer or distributor for warranty information.
8. ALL IMPLIED WARRANTIES, EXCEPT TO THE EXTENT PRO-
HIBITED BY APPLICABLE LAW, SHALL HAVE NO GREATER DURATION
THAN THE WARRANTY PERIOD SET FORTH ABOVE. UNDER NO CIRCUM-
STANCES SHALL ALPHASONIK INC. BE LIABLE FOR ANY LOSS OR DAM-
AGE, DIRECT OR CONSEQUENTIAL, ARISING OUT OF THE USE OR INA-
BILITY TO USE THE PRODUCT. BECAUSE SOME STATES DO NOT ALLOW
LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS OR EXCLU-
SIONS OR LIMITATIONS OF INCIDENTAL OR CONSEQUENTIAL DAMAGES,
THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.
9. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND
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YOU MAY ALSO HAVE OTHER RIGHTS THAT VARY FROM STATE TO STATE.
10. Should you have any difficulties with the performance of this prod-
uct during warranty or with any Alphasonik, Inc. authorized service center, you
may contact the Alphasonik, Inc. National Service Manager at the address listed
on the back of the booklet card or call 714.670.8950 for a listing of Authorized
Warranty Service Centers in your area.
INSTALLED WARRANTY
(When purchased from and installed by an Authorized Alphasonik, Inc. Dealer)
Speaker and Accessories: 1-year over-the-counter defective exchange plus
1-year repair or replacement at the sole discretion of Alphasonik, Inc.
Electronics: 1-year over-the-counter defective exchange, plus 1-year repair or
replacements at the sole discretion of Alphasonik, Inc.
An Alphasonik Extended Warranty Registration Card must be submitted to
Alphasonik, Inc. within 30 days of purchase. To process any warranty claim,
Alphasonik, Inc. will require the dated proof of purchase, which must specifi-
cally show the model and serial number and that installation was provided for
the product in question. All other terms per Alphasonik, Inc.’s standard one-year
warranty apply.
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Alphasonik Inc.
7050 Village Drive Bldg G
Buena Park CA 90621
TEL: (714)670-8950 FAX: (714)670-8959
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