Pioneer GM-A4604: Connecting the units

Connecting the units: Pioneer GM-A4604

Black plate (6,1)

Section

03

Connecting the units

Please see the following section for speaker

Connection diagram

connection instructions. Refer to Connections

when using the speaker input wire on page 9.

9 Speaker output terminals

Please see the following section for speaker

connection instructions. Refer to Connections

when using the speaker input wire on page 9.

a System remote control wire (sold separately)

Connect male terminal of this wire to the sys-

tem remote control terminal of the car stereo.

The female terminal can be connected to the

auto-antenna relay control terminal. If the car

stereo lacks a system remote control terminal,

connect the male terminal to the power term-

inal via the ignition switch.

b Fuse 25 A × 2 (GM-A6604) / 30 A × 1 (GM-

A4604)

c Fuse (30 A) × 2

d Grommet

e Rear side

f Front side

Note

INPUT SELECT (input select) switch must be set.

For details, see Setting the unit on page 4.

1 Special red battery wire

RD-223 (sold separately)

Before connecting the

After completing all other amplifier connec-

tions, finally connect the battery wire terminal

amplifier

of the amplifier to the positive + battery term-

inal.

WARNING

2 Ground wire (Black)

! Secure the wiring with cable clamps or adhe-

RD-223 (sold separately)

sive tape. To protect the wiring, wrap sections

Connect to metal body or chassis.

in contact with metal parts in adhesive tape.

3 Car stereo with RCA output jacks (sold sepa-

! Never cut the insulation of the power supply

rately)

to feed power to other equipment. Current ca-

4 External output

pacity of the wire is limited.

If only one input plug is used, do not connect

anything to RCA input jack B.

CAUTION

5 Connecting wire with RCA pin plugs (sold se-

! Never shorten any wires, the protection circuit

parately)

may malfunction.

6 RCA input jack A

! Never wire the speaker negative cable directly

7 RCA input jack B

to ground.

8 Speaker input terminal (use a connector in-

! Never band together multiple speakers nega-

cluded)

tive cables.

6

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Black plate (7,1)

Section

Connecting the units

03

English

! If the system remote control wire of the ampli-

About suitable

fier is connected to the power terminal via the

specification of speaker

ignition switch (12V DC), the amplifier will re-

main on with the ignition whether the car

Ensure speakers conform to the following

stereo is on or off, which may exhaust battery

standards, otherwise there is a risk of fire,

if the engine is at rest or idling.

smoke or damage. Speaker impedance is 2 W

! Install and route the separately sold battery

to 8 W,or4W to 8 W for two-channel and other

wire as far as possible from the speaker wires.

bridge connections.

Install and route the separately sold battery

Subwoofer

wire, ground wire, speaker wires and the am-

plifier as far away as possible from the anten-

Speaker channel Power

na, antenna cable and tuner.

Nominal input:

Four-channel output

Min. 60 W (GM-A6604)

Min. 40 W (GM-A4604)

About bridged mode

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

! Do not install or use this amplifier by wiring

speakers rated at 4 W (or lower) in parallel to

Max. input:

Four-channel output

Min. 120 W (GM-A6604)

achieve a 2 W (or lower) bridged mode (Dia-

Min. 80 W (GM-A4604)

gram B).

Amplifier damage, smoke, and overheating

Max. input:

Two-channel output

Min. 360 W (GM-A6604)

could result from improper bridging. The am-

Min. 240 W (GM-A4604)

plifier surface could also become hot to the

Max. input:

touch and minor burns could result.

Three-channel

Min. 120 W (GM-A6604)

To properly install or use a bridged mode and

Speaker output A

Min. 80 W (GM-A4604)

achieve a 4 W load, wire two 8 W speakers in

Max. input:

parallel with Left + and Right * (Diagram A)

Three-channel

Min. 360 W (GM-A6604)

or use a single 4W speaker.

Speaker output B

Min. 240 W (GM-A4604)

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.

7

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Black plate (8,1)

Section

03

Connecting the units

Three-channel output

Connecting the speakers

The speaker output mode can be four-channel,

1

three-channel (stereo and mono) or two-chan-

3

nel (stereo or mono). Connect the speaker

2

leads based on the mode and the figures

shown below.

Four-channel output

1

3

2

4

1 Right

2 Left

3 Speaker out A

4 Speaker out B (Mono)

2

Two-channel output (Stereo)

4

1

1 Right

2 Left

3 Speaker out A

4 Speaker out B

2

1 Speaker (Right)

2 Speaker (Left)

8

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