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Thank you for purchasing this PIONEER
product. It is designed to give you many
years of enjoyment.
PIONEER SUGGESTS USING A PRO-
FESSIONAL INSTALLER DUE TO THE
COMPLEXITY OF THIS PRODUCT.
Please read all instructions and WARN-
INGS 
in this manual before attempting
operation. Should you have any questions,
contact your nearest Pioneer authorized
dealer or installation specialist.

Important

The serial number of this amplifier is writ-
ten on the bottom of the unit. For your 
own security and convenience, write it
down on the enclosed warranty card. Keep
the card handy for future reference.

WARNING

• Always use the special red battery and ground

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.

• Do not touch the amplifier with wet hands.

Otherwise you may get an electric shock. Also, do
not touch the amplifier when it is wet.

• For traffic safety and to maintain safe driving 

conditions, keep the volume low enough so that
you can still hear normal traffic sound.

• Check the connections of the power supply and

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
another one of the same size and rating. 

• To prevent malfunction of the amplifier and

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
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.

Before Using This Product

After-sales service for Pioneer
products

Please contact the dealer or distributor from where
you purchased the product for its after-sales ser-
vice (including warranty conditions) or any other
information. In case the necessary information is
not available, please contact the companies listed
below:
Please do not ship your product to the companies
at the addresses listed below for repair without
advance contact.

7

U.S.A.

Pioneer Electronics Service, Inc.
CUSTOMER SERVICE DEPARTMENT
P.O. Box 1760
Long Beach, CA 90801
800-421-1404

7

CANADA

Pioneer Electronics of Canada, Inc.
CUSTOMER SERVICE DEPARTMENT
300 Allstate Parkway
Markham, Ontario L3R 0P2
(905) 479-4411
1-877-283-5901

For warranty information please see the Limited
Warranty sheet included with your product.

Selecting fine audio equipment such as the unit you’ve just purchased is only the start of your

musical enjoyment. Now it’s time to consider how you can maximize the fun and excitement your
equipment offers. This manufacturer and the Electronic Industries Association’s Consumer
Electronics Group want you to get the most out of your equipment by playing it at a safe level.
One that lets the sound come through loud and clear without annoying blaring or distortion—and,
most importantly, without affecting your sensitive hearing.

Sound can be deceiving. Over time your hearing “comfort level” adapts to higher volumes of

sound. So what sounds “normal” can actually be loud and harmful to your hearing. Guard against
this by setting your equipment at a safe level BEFORE your hearing adapts.

To establish a safe level:

Start your volume control at a low setting.

Slowly increase the sound until you can hear it comfortably and clearly, and without distortion.

Once you have established a comfortable sound level:

Set the dial and leave it there.

Taking a minute to do this now will help to prevent hearing damage or loss in the future. After all,

we want you listening for a lifetime.

We Want You Listening For A  Lifetime

Used wisely, your new sound equipment will provide a lifetime of fun and enjoyment. Since

hearing damage from loud noise is often undetectable until it is too late, this manufacturer and the
Electronic Industries Association’s Consumer Electronics Group recommend you avoid prolonged
exposure to excessive noise. This list of sound levels is included for your protection.
Decibel
Level

Example

30

Quiet library, soft whispers

40

Living room, refrigerator, bedroom away from traffic

50

Light traffic, normal conversation, quiet office

60

Air conditioner at 20 feet, sewing machine

70

Vacuum cleaner, hair dryer, noisy restaurant

80

Average city traffic, garbage disposals, alarm clock at two feet.

THE FOLLOWING NOISES CAN BE DANGEROUS UNDER CONSTANT EXPOSURE

90

Subway, motorcycle, truck traffic, lawn mower

100

Garbage truck, chain saw, pneumatic drill

120

Rock band concert in front of speakers, thunderclap

140

Gunshot blast, jet plane

180

Rocket launching pad

Information courtesy of the Deafness Research Foundation.

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

PIONEER ELECTRONICS (USA) INC.
P.O. Box 1760, Long Beach, California 90801, U.S.A.
TEL: (800) 421-1404

PIONEER ELECTRONIC (EUROPE) N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
TEL: (0) 3/570.05.11

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.
178-184 Boundary Road, Braeside, Victoria 3195, Australia
TEL: (03) 9586-6300

PIONEER ELECTRONICS OF CANADA, INC.
300 Allstate Parkway, Markham, Ontario L3R 0P2, Canada
TEL: (905) 479-4411

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.
San Lorenzo Num 1009 3er piso Desp. 302
Col. Del Valle, Mexico D.F. C.P. 03100
TEL: 5-688-52-90

Published by Pioneer Corporation. 
Copyright © 2000 by Pioneer Corporation. 
All rights reserved.

Publication de Pioneer Corporation. 
Copyright © 2000 Pioneer Corporation. 
Tous droits de reproduction et de traduction
réservés.

Printed in U.S.A.
Imprimé aux Etats-Unis

<HRD0135-A> UC

<00A00F0R01>

BRIDGEABLE POWER AMPLIFIER

AMPLIFICATEUR DE PUISSANCE
PONTABLE

Owner’s Manual

GM-X542

Mode d’emploi

Summary of Contents for GM-X542

Page 1: ... of your musical enjoyment Now it s time to consider how you can maximize the fun and excitement your equipment offers This manufacturer and the Electronic Industries Association s Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level One that lets the sound come through loud and clear without annoying blaring or distortion and most importantly wit...

Page 2: ...ommet RCA input Special red battery wire RD 223 sold separately After making all other connections at the amplifier connect the battery wire terminal of the amplifier to the positive terminal of the battery Ground wire black RD 223 sold separately Connect to metal body or chassis Amplifier with RCA input jacks Fuse 25 A Car stereo with RCA output jacks External Output Connecting wires with RCA pin...

Page 3: ...odes using inductors and capacitors Three channel mode two way system Three channel mode three way system Inductors L1 and L2 in the diagrams act as low pass filters Capacitors C1 and C2 in the diagrams act as high pass filters Inductors L are used for the woofer subwoofer and capacitors C are used for the high mid high Remember when bridging an amplifier it will see only half of the original spea...

Page 4: ...hen drilling a hole for installation of the amplifier Protect all cables and important equipment such as fuel lines brake lines and electrical wiring from damage Install tapping screws in such a way that the screw tip does not touch any wire This is impor tant to prevent wires from being cut by vibration of the car which can result in fire To prevent electric shock do not install the ampli fier in...

Page 5: ...conseille de consulter un professionnel Avant d utiliser l appareil prenez connaissance de ce mode d emploi et tout spécialement des AVERTISSEMENTS Pour toute question concernant cet appareil veuillez vous adresser au revendeur ou à l installateur AVERTISSEMENT Utilisez le faisceau de câbles de liaison à la batterie un câble rouge et un câble de masse qui est vendu séparément RD 223 Reliez le câbl...

Page 6: ... sous tension reliez la fiche mâle à une borne d alimentation en passant par le contacteur d allumage Voie de sortie Type de haut parleur Puissance Deux voies Haut parleur d extrêmes graves P nominale d entrée 60 W minimum Autre que haut parleur d extrêmes graves P maximale d entrée 100 W minimum Un voie Haut parleur d extrêmes graves P nominale d entrée 165 W minimum Autre que haut parleur d extr...

Page 7: ...e puissance est un amplificateur pontable deux voies une voie mais il est possible de le faire fonctionner comme un appareil trois voies en utilisant des bobines et des condensateurs Mode trois voies trois haut parleurs Mode trois voies cinq haut parleurs Les bobines L1 et L2 sur le schéma jouent le rôle de filtre passe bas les condensateurs C1 et C2 sur le schéma de filtre passe haut Les bobines ...

Page 8: ...reils fonctionnent correctement Choisissez un emplacement qui permette le retrait sans peine de la roue de secours du cric et de la boîte à outils Exemple d installation sur le tapis de sol ou sur le châssis 1 Posez l amplificateur à l emplace ment choisi Introduisez les vis auto taraudeuses fournies 4 18 mm dans les perçages Appuyez ferme ment sur les vis au moyen d un tournevis pour marquer les ...

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