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5 channel power amplifier

Amplificador de potencia de 5 canales

Owner's Manual

GM-D505

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 U.S.A.

Impreso en los EE.UU.

<HRD0232-A> ES

Before Using This Product

Thank you for purchasing this PIONEER

WARNING

product. Before attempting operation, be

sure to read this manual.

• Always use the special red battery and ground

wires ([RD-223] × 2), which are sold separately.

In case of trouble

Connect the battery wire directly to the car battery

positive terminal (+) and the ground wire to the

car body.

When the unit does not operate properly,

• Do not touch the amplifier with wet hands.

contact your dealer or the nearest autho-

Otherwise you may get an electric shock. Also, do

rized PIONEER Service Station.

not touch the amplifier when it is wet.

• For traffic safety and to maintain safe driving

About This Product

conditions, keep the volume low enough so that

you can still hear normal traffic sound.

This product is a 5-channel Class D amp.

• Check the connections of the power supply and

Connect full range speakers to channels A

speakers if the fuse of the separately sold battery

and B, and a subwoofer to the SUB chan-

wire or the amplifier fuse blows. Detect the cause

nel.

and solve the problem, then replace the fuse with

For the SUB channel, if both L (left) and R

another one of the same size and rating.

• To prevent malfunction of the amplifier and

(right) are connected to the RCA input,

speakers, the protective circuit will cut the power

output is a mixture of the L and R signals.

supply to the amplifier (sound will stop) when an

abnormal condition occurs. In such a case, switch

the power to the system OFF and check the

connection of the power supply and speakers.

Detect the cause and solve the problem.

• Contact the dealer if you cannot detect the cause.

• To prevent an electric shock or short-circuit

during connection and installation, be sure to

disconnect the negative (–) terminal of the battery

beforehand.

• Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier. Be

sure to protect all cables and important equipment

such as fuel lines, brake lines and the electrical

wiring from damage.

Setting the Unit

Gain Control and Bass Level

Control

Adjusting the gain controls A and B and

the bass level control (CH SUB) will

help match the output of the car stereo

to the Pioneer amplifier. Normally, set

these controls to the "NORMAL

(NORM.)" position. If the output is low,

even when the volume of the car stereo

is turned up, turn these controls clock-

wise. If there is distortion when the vol-

ume of the car stereo is turned up, turn

these controls counter-clockwise.

• If you only use one input plug, set the gain

controls for speaker outputs A and B to the

same position.

• 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.

• When you want to boost bass, turn the bass

level control clockwise.

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.

Cut Off Frequency Control

You can select a cut off frequency from

40 to 240 Hz.

Power Indicator

The power indicator lights when the

power is switched on.

HPF (High-Pass Filter) Select Switch (CH A and CH B)

Set the HPF select switch as follows according to the type of speaker that is connected to the

speaker output connector and the car stereo system:

HPF Select

Audio frequency range

Speaker

Remarks

Switch

to be output

Type

OFF (Left)

Full range

HPF (Right)

Low Frequency range to

Full range

Use if you want to cut the

High Frequency range

very low frequency range

because it is not necessary

for the speakers you are

using.