CLASS A/B BIPOLAR POWER
AMPLIFIERS
PM3002E / PM6002E
PM6004E / PM12005E / PM1600DE
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Introduction.................................................................................3
Features and Specifications....................................................4-5
Planning & Mounting Your System.............................................6
Controls & Functions.............................................................7-14
High Level Input...................................................................15-16
Wiring Diagrams..................................................................17-22
Adjusting & Tuning....................................................................23
Troubleshooting........................................................................24
Warning / Disclaimer.................................................................25
Warranty..............................................................................26-27
Notes...................................................................................28-30
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Thank you for purchasing this Alphasonik product. Alpha-
sonik 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 possibility 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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Class A/B BIPOLAR Power Amplifier
2 Ohm Stable (PM3002E / 6002E / 6004E / 12005E)
Mosfet High Speed Switching Supply
Tiffany-Style Input and Output RCA Jacks
RCA (Low Level) and Speaker (High Level)Inputs
Line Out
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Bridgeable
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Variable High Pass Filter: 50Hz-250Hz
Variable Low Pass Filter: 50Hz-250Hz
Variable Subsonic Filter: 20Hz-60Hz
Bass Boost Control: 45Hz 0 - +18dB
Remote Digital Voltmeter (PMA100VE)- Optional
Remote Bass Control (PMA10BE)-Optional
Remote Power On / Off By Car Stereo
Input Sensitivity: High 1V / 10V / Low 200mV - 8V
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4-Way Protection Circuitry: Thermal, Short Circuit, Overload And
DC Offset
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Before beginning the installation, consider the following:
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 im-
pedance (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.
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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 am-
plifier 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, discon-
nect the ground lead from the battery. Leave the ground lead
disconnected until you are done wiring the amplifier.
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