Setting The Unit; Connecting The Unit - Pioneer GM-5300T Owner's Manual

Bridgeable two-channel power amplifier
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Setting the Unit

Power Indicator
BFC (Beat Frequency
Control) Switch
The power indicator lights when the
power is switched on.
If you hear a beat while
listening to an AM broadcast
with your car stereo, change
Gain Control
the BFC switch using a small
standard tip screwdriver.
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 gain control on the
front of the power amplifier
clockwise. If the sound distorts when
the volume is turned up, turn the gain
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.
• If you hear too much noise when using
the speaker input terminals, turn the gain
control counter-clockwise.
Bass Boost Level Control
You can select a bass boost level
from 0 dB, 6 dB and 12 dB.
LPF (Low-Pass Filter) Select Switch
Set the LPF select switch as follows according to the type of speaker that is connected to the
speaker output connector and the car stereo system:
LPF Select
Audio frequency range
to be output
LPF (right)
80 Hz and below with
Connect a subwoofer.
–12 dB/oct. cut off slope
OFF (left)
Full range
Full range

Connecting the Unit

• Disconnect the negative (–) terminal of the battery
• Make sure that wires will not interfere with mov-
to avoid the risk of short-circuit and damage to
ing parts of the vehicle, such as the gearshift,
the unit.
handbrake or seat sliding mechanism.
• Secure the wiring with cable clamps or adhesive
• Do not shorten any wires. Otherwise the protec-
tape. To protect the wiring, wrap adhesive tape
tion circuit may fail to work when it should.
around it where they lie against metal parts.
• Never feed power to other equipment by cutting
• Do not route wires where they will get hot, for
the insulation of the power supply wire to tap
example where the heater will blow over them. If
from the wire. The current capacity of the wire
the insulation heats up, it may become damaged,
will be exceeded, causing overheating.
resulting in a short-circuit through the vehicle
• Never replace the fuse with one of greater value
or rating than the original fuse. Use of an improp-
er fuse could result in overheating and smoke and
could cause damage to the product and injury
including burns.
To prevent damage and/or injury
• Do not ground the speaker wire directly or con-
• Speakers to be connected to the amplifier should
nect a negative (–) lead wire for several speakers.
conform with the standards listed below. If they
• This unit is for vehicles with a 12-volt battery and
do not conform, they may catch fire, emit smoke
negative grounding. Before installing it in a recre-
or become damaged. The speaker impedance must
be 2 Ω to 8 Ω for stereo connection, and 4 Ω to
ational vehicle, truck or bus, check the battery
8 Ω for monaural and other bridge connection.
• If the car stereo is kept on for a long time while
• Install and route the separately sold battery wire
the engine is at rest or idling, the battery may go
as far away as possible from the speaker wires.
dead. Turn the car stereo off when the engine is at
Install and route the separately sold battery wire,
rest or idling.
ground wire, speaker wires and the amplifier as
• If the system remote control wire of the amplifier
far away as possible from the antenna, antenna
is connected to the power terminal through the
cable and tuner.
ignition switch (12 V DC), the amplifier will
• Cords for this product and those for other prod-
always be on when the ignition is on— regardless
ucts may be different colors even if they have the
of whether the car stereo is on or off. Because of
same function. When connecting this product to
this, the battery could go dead if the engine is at
another product, refer to the supplied manuals of
rest or idling.
both products and connect cords that have the
same function.
Speaker Channel
Speaker Type
Nominal input: Min. 120 W
Other than subwoofer
Max. input: Min. 250 W
Nominal input: Min. 420 W
Other than subwoofer
Max. input: Min. 760 W
Connection Diagram
Fuse (30 A)
Special red battery wire [RD-223] (sold separately)
After making all other connections at the amplifier,
connect the battery wire terminal of the amplifier to
the positive (+) terminal of the battery.
Fuse (30 A)
Ground wire (black) [RD-223] (sold separately)
Connect to metal body or chassis.
Connecting wire with RCA
pin plugs (sold separately).
Car stereo with
RCA output jacks
External Output
Front side
RCA input jack
Speaker input terminal
See the "Using the
Back side
Speaker Input" section.
Fuse (30 A) × 2
Speaker output terminal
System remote control wire (sold separately)
See the "Connecting the
Connect the male terminal of this wire to the system remote control
Speaker Wires" section
terminal of the car stereo (SYSTEM REMOTE CONTROL). The
for speaker connection
female terminal can be connected to the auto-antenna relay control
terminal. If the car stereo does not have a system remote control ter-
minal, connect the male terminal to the power terminal through the
ignition switch.
Connecting the Power Terminal
• Always use the special red battery and ground
Failure to securely fasten the battery wire to the ter-
wire [RD-223], which is sold separately. Connect
minal using the terminal screws could cause the ter-
the battery wire directly to the car battery positive
minal area to overheat and could result in damage
terminal (+) and the ground wire to the car body.
and injury including minor burns.
1. Pass the battery wire from the
Connecting the Speaker Output
engine compartment to the interior
of the vehicle.
• After making all other connections to the
amplifier, connect the battery wire terminal of
1. Expose the end of the speaker wires
the amplifier to the positive (+) terminal of
using nippers or a cutter by about
the battery.
10 mm (3/8 inch) and twist.
Interior of
Fuse (30 A)
2. Attach lugs to speaker wire ends.
the vehicle
Lugs not supplied.
• Use pliers, etc., to crimp lugs to wires.
Fuse (30 A)
3. Connect the speaker wires to the
Drill a 14 mm
Positive terminal
(1/2 inch) hole
speaker output terminals.
Insert the O-ring rubber
into the vehicle
• Fix the speaker wires securely with the termi-
grommet into the vehicle
nal screws.
Terminal screw
2. Twist the battery wire, ground wire
and system remote control wire.
3. Attach lugs to wire ends. Lugs not
• Use pliers, etc., to crimp lugs to wires.
4. Connect the wires to the terminal.
Speaker wire
• Fix the wires securely with the terminal
GND terminal
Power terminal
System remote
control terminal
System remote
control wire
Ground wire
Battery wire

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