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Setting the UnitConnecting the Unit
Connection Diagram
CAUTION
Gain ControlPower Indicator
Fuse (30 A)
Y Disconnect the negative (�) terminal of the batteryYMake sure that wires will not interfere with mov-
to avoid the risk of short-circuit and damage toing parts of the vehicle, such as the gearshift,If the sound level is too low, even whenThe power indicator lights when the
the unit.handbrake or seat sliding mechanism.Special red battery wire [RD-223] (sold separately)
the volume of the car stereo used alongpower is switched on.
Y Secure the wiring with cable clamps or adhesiveY Do not shorten any wires. Otherwise the protec-GrommetAfter making all other connections at the amplifier,
with this power amplifier is turned up,
tape. To protect the wiring, wrap adhesive tapetion circuit may fail to work when it should.connect the battery wire terminal of the amplifier to
turn gain control on the front of the
around it where they lie against metal parts.YNever feed power to other equipment by cuttingthe positive (+) terminal of the battery.
power amplifier clockwise. If the sound
Y Do not route wires where they will get hot, forthe insulation of the power supply wire to tapFuse (30 A)
distorts when the volume is turned up,
example where the heater will blow over them. Iffrom the wire. The current capacity of the wire
turn the gain control counter-clockwise.
the insulation heats up, it may become damaged,will be exceeded, causing overheating.Ground wire (black) [RD-223] (sold separately)
YWhen using with an RCA equipped car
resulting in a short-circuit through the vehicleYNever replace the fuse with one of greater valueConnect to metal body or chassis.
stereo (standard output of 500 mV), set to
body.or rating than the original fuse. Use of an improp-
the NORMAL position. When using with
er fuse could result in overheating and smoke and
an RCA equipped Pioneer car stereo with
could cause damage to the product and injury
max. output of 4 V or more, adjust level to
including burns.
match the car stereo output level.
Connecting wires with RCA
CAUTION:pin plugs (sold separately).
To prevent damage and/or injury
Y Do not ground the speaker wire directly or con-Y Speakers to be connected to the amplifier should
nect a negative (�) lead wire for several speakers.conform with the standards listed below. If they
Car stereo with
YThis unit is for vehicles with a 12-volt battery anddo not conform, they may catch fire, emit smoke
RCA output jacks
negative grounding. Before installing it in a recre-or become damaged. The speaker impedance must
ational vehicle, truck or bus, check the batterybe 2 to 8 ohms for stereo connection, and 4 to 8
voltage.ohms for monaural and other bridge connection.
External Output
Y If the car stereo is kept on for a long time whileY Install and route the separately sold battery wire
the engine is at rest or idling, the battery may goas far away as possible from the speaker wires.
dead. Turn the car stereo off when the engine is atInstall and route the separately sold battery wire,Front side
rest or idling.ground wire, speaker wires and the amplifier as
Y If the system remote control wire of the amplifierfar away as possible from the antenna, antenna
is connected to the power terminal through thecable and tuner.
ignition switch (12 V DC), the amplifier will
Y Cords for this product and those for other prod-
always be on when the ignition is onN 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 InstallationRCA input jack
rest or idling.
manuals of both products and connect cords that
have the same function.
Speaker ChannelSpeaker TypePower
LPF (Low-Pass Filter) Select Switch
SubwooferNominal input: Min. 145 W
Two-channelBack side
Set the LPF select switch as follows according to the type of speaker that is connected to theOther than subwooferMax. input: Min. 250 W
Fuse (25 A) � 2
speaker output connector and the car stereo system:
SubwooferNominal input: Min. 440 W
One-channel
Other than subwooferMax. input: Min. 760 W
LPF SelectAudio frequency rangeSpeakerRemarksSpeaker output terminal
System remote control wire (sold separately)
See the OConnecting the
Switchto be outputTypeConnect the male terminal of this wire to the system remote control
Speaker wires� section
terminal of the car stereo (SYSTEM REMOTE CONTROL). The
LPF (left)Very Low Frequency rangeSubwooferConnect a subwoofer.
for speaker connection
female terminal can be connected to the auto-antenna relay control
OFF (right)Full rangeFull rangeinstructions.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. |