Pioneer GM-A4604 Owner's Manual - Page 8

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Pioneer GM-A4604 Owner's Manual
Section
03
Connecting the units
! If the system remote control wire of the ampli-
fier is connected to the power terminal via the
ignition switch (12 V DC), the amplifier will re-
main on with the ignition whether the car
stereo is on or off, which may exhaust battery
if the engine is at rest or idling.
! Install and route the separately sold battery
wire as far as possible from the speaker wires.
Install and route the separately sold battery
wire, ground wire, speaker wires and the am-
plifier as far away as possible from the anten-
na, antenna cable and tuner.

About bridged mode

! Do not install or use this amplifier by wiring
speakers rated at 4 W (or lower) in parallel to
achieve a 2 W (or lower) bridged mode (Dia-
gram B).
Amplifier damage, smoke, and overheating
could result from improper bridging. The am-
plifier surface could also become hot to the
touch and minor burns could result.
To properly install or use a bridged mode and
achieve a 4 W load, wire two 8 W speakers in
parallel with Left
or use a single 4 W speaker.
In addition, refer to the speaker instruction
manual for information on the correct connec-
tion procedure.
! For any further enquiries, contact your local
authorized Pioneer dealer or customer
service.
8
En
and Right
(Diagram A)
About suitable
specification of speaker
Ensure speakers conform to the following
standards, otherwise there is a risk of fire,
smoke or damage. Speaker impedance is 2 W
to 8 W, or 4 W to 8 W for two-channel and other
bridge connections.
Subwoofer
Speaker channel
Power
Nominal input:
Four-channel output
Min. 60 W (GM-A6604)
Min. 40 W (GM-A4604)
Nominal input:
Two-channel output
Min. 180 W (GM-A6604)
Min. 120 W (GM-A4604)
Nominal input:
Three-channel
Min. 60 W (GM-A6604)
Speaker output A
Min. 40 W (GM-A4604)
Nominal input:
Three-channel
Min. 180 W (GM-A6604)
Speaker output B
Min. 120 W (GM-A4604)
Other than subwoofer
Speaker channel
Power
Max. input:
Four-channel output
Min. 120 W (GM-A6604)
Min. 80 W (GM-A4604)
Max. input:
Two-channel output
Min. 360 W (GM-A6604)
Min. 240 W (GM-A4604)
Max. input:
Three-channel
Min. 120 W (GM-A6604)
Speaker output A
Min. 80 W (GM-A4604)
Max. input:
Three-channel
Min. 360 W (GM-A6604)
Speaker output B
Min. 240 W (GM-A4604)