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BRIDGEABLE FOUR-CHANNEL
POWER AMPLIFIER
AMPLIFICADOR DE POTENCIA DE
CUATRO CANALES EN PUENTE
Owner's Manual
GM-X574
GM-X374
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.
Copyright © 2002 by Pioneer Corporation.
300 Allstate Parkway, Markham, Ontario L3R OP2, Canada
All rights reserved.
TEL: (905) 479-4411
Publicado por Pioneer Corporation.
PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.
Copyright © 2002 Pioneer Corporation.
San Lorenzo 1009 3er. Piso Desp. 302
Todos los derechos reservados.
Col. Del Valle Mexico, D.F. C.P. 03100
TEL: 55-5688-52-90
Printed in U.S.A.
Impreso en los EE.UU.
<KYMFX/02I00000>
<HRD0224-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
wire [RD-223], which is sold separately. Connect
Composition of Manual
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.
This manual applies to the GM-X574 and
Otherwise you may get an electric shock. Also, do
GM-X374. However, the illustrations show
not touch the amplifier when it is wet.
the GM-X574.
• For traffic safety and to maintain safe driving
conditions, keep the volume low enough so that
In case of trouble
you can still hear normal traffic sound.
• Check the connections of the power supply and
When the unit does not operate properly,
speakers if the fuse of the separately sold battery
contact your dealer or the nearest autho-
wire or the amplifier fuse blows. Detect the cause
rized PIONEER Service Station.
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.
Setting the Unit
Gain Control
Adjusting the gain controls A and B will
help match the output of the car stereo to
the Pioneer amplifier. Normally, set the
gain controls to the "NORMAL" posi-
tion. If the output is low, even when the
volume of the car stereo is turned up,
turn these controls clockwise. If there is
distortion when the volume 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.
• If you hear too much noise when using the
speaker input terminals, turn the gain
control counter-clockwise.
Input Select Switch
For two-channel input, slide this switch
to the left. For four-channel input, slide
this switch to the right.
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)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follows according to the type of speaker that is connected
to the speaker output connector and the car stereo system:
LPF/HPF Select
Audio frequency range
Speaker
Remarks
Switch
to be output
Type
LPF (Left)
Very Low Frequency range
Subwoofer
Connect a subwoofer.
OFF (Center)
Full range
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.
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Table of Contents
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Summary of Contents for Pioneer VSX D514 - Digital A/V Receiver
- Page 1 NORMAL position. When using with standard tip screwdriver. abnormal condition occurs. In such a case, switch an RCA equipped Pioneer car stereo with GM-X374 the power to the system OFF and check the max. output of 4 V or more, adjust level to match the car stereo output level.
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Page 2: Connecting The Unit
Connecting the Unit CAUTION GM-X374 Connection Diagram • Disconnect the negative (–) terminal of the battery • Make sure that wires will not interfere with mov- Speaker Channel Speaker Type Power to avoid the risk of short-circuit and damage to ing parts of the vehicle, such as the gearshift, Subwoofer Nominal input: Min. - Page 3 Connecting the Unit Connecting the Power Terminal 4. Connect the wires to the terminal. 3. Connect the speaker wires to the Using the Speaker Input Connecting the Speaker wires Two-channel mode (stereo) speaker output terminals. • Fix the wires securely with the terminal •...
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Page 4: Installation
Installation Specifications CAUTION Example of installation on the floor GM-X574 GM-X374 • Do not install in: Power source ......................14.4 V DC (10.8 — 15.1 V allowable) Power source ......................14.4 V DC (10.8 — 15.1 V allowable) mat or on the chassis —Places where it could injure the driver or pas- Grounding system ............................ -
Page 5: Antes De Usar Este Producto
Cuando use con un estéreo de automóvil caso, apague el sistema y verifique la conexión de Pioneer equipado con RCA con una salida la alimentación y altavoces. Detecte la causa y máxima de 4 V o más, ajuste el nivel para resuelva el problema. -
Page 6: Conexión De La Unidad
Conexión de la unidad PRECAUCION GM-X374 Diagrama de conexión • Quite el terminal negativo (–) de la batería para • Asegúrese que los alambres no interfieran con Canal de altavoces Tipo de altavoz Alimentación evitar riesgo de cortocircuitos y daño a la unidad. partes móviles del vehículo como la palanca de Altavoz de graves secundario Entrada nominal: 40 W mín. - Page 7 Conexión de la unidad Conexión del terminal de 4. Conecte los cables al terminal. 3. Conecte los cables de altavoz al Uso de la entrada de altavoz Conexión de los cables de altavoces Modo de dos canales (estéreo) terminal de salida de altavoz. •...
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Page 8: Instalación
Instalación Especificaciones PRECAUCION • Para asegurar una instalación apropiada, utilice las GM-X574 GM-X374 partes suministradas de la manera especificada. Si • No lo instale en: Alimentación ......................14,4 V CC (10,8 — 15,1 V permisible) Alimentación ......................14,4 V CC (10,8 — 15,1 V permisible) se utiliza cualquier otra parte que no sean las sum- —Donde podría lesionar al conductor o a los Sistema de puesta a tierra ..........................