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ENGLISH
ESPAÑOL
DEUTSCH
FRANÇAIS
ITALIANO
NEDERLANDS
CLASS D MONO AMPLIFIER
AMPLIFICATEUR MONO DE CLASSE D
Owner's Manual
GM-D510M
Mode d'emploi


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1
Contents
Before Using This Product ...................... 2
In case of trouble .............................................. 2
About This Product .......................................... 2
WARNING ........................................................ 2
Setting the Unit .......................................... 3
Bass Level Control ............................................ 3
BFC (Beat Frequency Control) Switch ............ 3
Cut Off Frequency Control .............................. 3
Power Indicator ................................................ 4
Connecting the Unit .................................. 5
Connection Diagram ........................................ 6
Connecting the Power Terminal ........................ 7
Connecting the Speaker Terminals .................. 8
Connecting the Speaker wires .......................... 9
Installation ................................................ 10
Example of installation on the floor mat
or on the chassis ...................................... 10
Specifications .......................................... 11


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Before Using This Product
2
ENGLISH
ESPAÑOL
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FRANÇAIS
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Thank you for purchasing this PIONEER
product. Before attempting operation, be
sure to read this manual.
In case of trouble
When the unit does not operate properly,
contact your dealer or the nearest autho-
rized PIONEER Service Station.
About This Product
This product is a class D amplifier for the
subwoofer. If both L (left) and R (right)
channels are connected to the RCA input
of this product, output is mixed because
this product is a mono amplifier.
CAUTION
Never replace the fuse with one of greater
value or rating than the original fuse. Use
of an improper fuse could result in over-
heating and smoke and could cause dam-
age to the product and injury including
burns.
WARNING
· Always use the special red battery and ground
wire [RD-223], which is sold separately. Connect
the battery wire directly to the car battery positive
terminal (+) and the ground wire to the car body.
· Do not touch the amplifier with wet hands.
Otherwise you may get an electric shock. Also,
do not touch the amplifier when it is wet.
· For traffic safety and to maintain safe driving
conditions, keep the volume low enough so that
you can still hear normal traffic sound.
· Check the connections of the power supply and
subwoofer if the fuse of the separately sold bat-
tery wire or the amplifier fuse blows. Detect the
cause and solve the problem, then replace the
fuse with another one of the same size and rating.
· To prevent malfunction of the amplifier and sub-
woofer, the protective circuit will cut the power
supply to the amplifier (sound will stop) when an
abnormal condition occurs. In such a case, switch
the power to the system OFF and check the
connection of the power supply and subwoofer.
Detect the cause and solve the problem.
· Contact the dealer if you cannot detect the cause.
· To prevent an electric shock or short-circuit
during connection and installation, be sure to
disconnect the negative (­) terminal of the battery
beforehand.
· Confirm that no parts are behind the panel when
drilling a hole for installation of the amplifier. Be
sure to protect all cables and important equipment
such as fuel lines, brake lines and the electrical
wiring from damage.


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3
Setting the Unit
Bass Level Control
If the sound level is too low, even when
the volume of the car stereo used along
with this power amplifier is turned up,
turn bass level control on the front of
the power amplifier clockwise. If the
sound distorts when the volume is
turned up, turn the bass level control
counter-clockwise.
· When using with an RCA equipped car
stereo (standard output of 500 mV), set to
the NORMAL position. When using with
an RCA equipped Pioneer car stereo with
max. output of 4 V or more, adjust level to
match the car stereo output level.
· When you want to boost bass, turn the
bass level control clockwise.
BFC (Beat Frequency Control) Switch
If you hear a beat while listening to an
MW/LW broadcast with your car stereo,
change the BFC switch using a small
standard tip screwdriver.
Cut Off Frequency Control
You can select a cut off frequency from
40 to 240 Hz.


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4
ENGLISH
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Power Indicator
The power indicator lights when the
power is switched on.