Alphasonik Stereo Amplifier PMA1000HCE User Manual

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ALPHASONIK  
Owner's Manual  
HIGH CURRENT POWER AMPLIFIERS  
PMA600HCE / PMA640HCE / PMA1000HCE  
 
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  
10  
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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