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BRIDGEABLE POWER AMPLIFIER

AMPLIFICADOR DE POTENCIA EN

PUENTE

Owner's Manual

GM-3000T

Manual del Propietario

PIONEER CORPORATION

4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO 153-8654, JAPAN

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1540, Long Beach, California 90801-1540, U.S.A.

TEL: (800) 421-1404

PIONEER EUROPE NV

Haven 1087, Keetberglaan 1, B-9120 Melsele, Belgium

TEL: (0) 3/570.05.11

PIONEER ELECTRONICS ASIACENTRE PTE. LTD.

253 Alexandra Road, #04-01, Singapore 159936

TEL: 65-6472-1111

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

178-184 Boundary Road, Braeside, Victoria 3195, Australia

TEL: (03) 9586-6300

Published by Pioneer Corporation.

PIONEER ELECTRONICS OF CANADA, INC.

300 Allstate Parkway, Markham, Ontario L3R OP2, Canada

TEL: (905) 479-4411

Publicado por Pioneer Corporation.

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.

Blvd.Manuel Avila Camacho 138 10 piso

Col.Lomas de Chapultepec, Mexico, D.F. 11000

TEL: 55-9178-4270

Printed in China

Impreso na China

<HRD0273-A> ES

Before Using This Product

Thank you for purchasing this PIONEER

If you have any questions or concerns,

product. Before attempting operation, be

please contact your local authorized

sure to read this manual.

Pioneer dealer or call Pioneer customer

service.

In case of trouble

WARNING

When the unit does not operate properly,

contact your dealer or the nearest autho-

• Always use the special red battery and ground

rized PIONEER Service Station.

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.

CAUTION

• Do not touch the amplifier with wet hands.

Otherwise you may get an electric shock. Also, do

Never replace the fuse with one of greater

not touch the amplifier when it is wet.

value or rating than the original fuse. Use

• For traffic safety and to maintain safe driving

of an improper fuse could result in over-

conditions, keep the volume low enough so that

heating and smoke and could cause dam-

you can still hear normal traffic sound.

age to the product and injury including

• Check the connections of the power supply and

burns.

speakers if the fuse of the separately sold battery

wire or the amplifier fuse blows. Detect the cause

and solve the problem, then replace the fuse with

CAUTION

another one of the same size and rating.

• To prevent malfunction of the amplifier and

Diagram A - Proper

Diagram B - Improper

speakers, the protective circuit will cut the power

supply to the amplifier (sound will stop) when an

abnormal condition occurs. In such a case, switch

Ohm

the power to the system OFF and check the

Speaker

connection of the power supply and speakers.

Detect the cause and solve the problem.

• Contact the dealer if you cannot detect the cause.

Ohm

• To prevent an electric shock or short-circuit

Speaker

during connection and installation, be sure to

L+

R-

L+

R-

disconnect the negative (–) terminal of the battery

beforehand.

Pioneer

• Confirm that no parts are behind the panel when

Amplifier

drilling a hole for installation of the amplifier. Be

4 Ohm Bridged Mode

2 Ohm Bridged Mode

sure to protect all cables and important equipment

such as fuel lines, brake lines and the electrical

Do NOT install or use your Pioneer ampli-

wiring from damage.

fier by wiring speakers rated at 4 Ohm (or

lower) in parallel to achieve a 2 Ohm (or

lower) bridged mode (Diagram B).

Amplifier damage, smoke, and overheating

could result from improper bridging. The

amplifier surface could also become hot to

the touch and minor burns could result.

To properly install or use a bridged mode

for a two-channel amplifier and achieve a 4

Ω load, wire two 8 Ω speakers in parallel

with Left + and Right - (Diagram A) or use

a single 4 Ω speaker. For a four-channel

amplifier, follow the speaker output con-

nection diagram for bridging as shown on

the back of your amplifier, and wire two 8

Ω speakers in parallel to achieve a 4 Ω load

or use a single 4 Ω speaker per channel.

Setting the Unit

Gain 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 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.

Power Indicator

The power indicator lights when the

power is switched on.

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an

AM broadcast with your car stereo,

change the BFC switch using a small

standard tip screwdriver.

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

Speaker

Remarks

Switch

to be output

Type

LPF (left)

Very Low Frequency range

Subwoofer

Connect a subwoofer.

OFF (right)

Full range