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BRIDGEABLE FOUR-CHANNEL
POWER AMPLIFIER
AMPLIFICADOR DE POTENCIA DE
CUATRO CANALES EN PUENTE
Owner's Manual
GM-4000F
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 © 2004 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 © 2004 Pioneer Corporation.
Blvd.Manuel Avila Camacho 138 10 piso
Todos los derechos reservados.
Col.Lomas de Chapultepec, Mexico, D.F. 11000
TEL: 55-9178-4270
Printed in U.S.A.
Impreso en los EE.UU.
<KMINX> <04A00000>
<HRD0269-A> ES
Before Using This Product
or use a single 4 Ω speaker per channel.
Thank you for purchasing this PIONEER
product. Before attempting operation, be
If you have any questions or concerns,
sure to read this manual.
please contact your local authorized
Pioneer dealer or call Pioneer customer
service.
In case of trouble
When the unit does not operate properly,
WARNING
contact your dealer or the nearest autho-
rized PIONEER Service Station.
• 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
CAUTION
terminal (+) and the ground wire to the car body.
• Do not touch the amplifier with wet hands.
Never replace the fuse with one of greater
Otherwise you may get an electric shock. Also, do
value or rating than the original fuse. Use
not touch the amplifier when it is wet.
of an improper fuse could result in over-
• For traffic safety and to maintain safe driving
heating and smoke and could cause dam-
conditions, keep the volume low enough so that
age to the product and injury including
you can still hear normal traffic sound.
burns.
• 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
CAUTION
and solve the problem, then replace the fuse with
another one of the same size and rating.
Diagram A - Proper
Diagram B - Improper
• To prevent malfunction of the amplifier and
speakers, the protective circuit will cut the power
8
4
supply to the amplifier (sound will stop) when an
+
-
+
-
Ohm
Ohm
abnormal condition occurs. In such a case, switch
Speaker
Speaker
the power to the system OFF and check the
connection of the power supply and speakers.
8
4
Detect the cause and solve the problem.
+
-
+
-
Ohm
Ohm
• Contact the dealer if you cannot detect the cause.
Speaker
Speaker
• To prevent an electric shock or short-circuit
L+
R-
L+
R-
during connection and installation, be sure to
disconnect the negative (–) terminal of the battery
Pioneer
Pioneer
Amplifier
Amplifier
beforehand.
• Confirm that no parts are behind the panel when
4 Ohm Bridged Mode
2 Ohm Bridged Mode
drilling a hole for installation of the amplifier. Be
sure to protect all cables and important equipment
Do NOT install or use your Pioneer ampli-
such as fuel lines, brake lines and the electrical
fier by wiring speakers rated at 4 Ohm (or
wiring from damage.
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
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
Related Manuals for Pioneer GM-4000F
Summary of Contents for Pioneer GM-4000F
- Page 1 LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch TEL: (800) 421-1404 Do NOT install or use your Pioneer ampli- such as fuel lines, brake lines and the electrical PIONEER EUROPE NV fier by wiring speakers rated at 4 Ohm (or Input Select Switch wiring from damage.
-
Page 2: Connecting The Unit
Connecting the Unit Connection Diagram Connecting the Power Terminal 4. Connect the wires to the terminal. 3. Connect the speaker wires to the Using the Speaker Input CAUTION • Fix the wires securely with the terminal speaker output terminals. Fuse (30 A) Connect the car stereo speaker output •... -
Page 3: Specifications
Connecting the Unit Installation Specifications Connecting the Speaker wires Two-channel mode (stereo) Example of installation on the floor Power source ......................14.4 V DC (10.8 — 15.1 V allowable) Grounding system ............................Negative type CAUTION mat or on the chassis Current consumption ...................... -
Page 4: Antes De Usar Este Producto
• No toque en el amplificador con las manos Cuando use con un estéreo de automóvil mojadas. Caso contrario, usted puede llevar un Pioneer equipado con RCA con una salida Diagrama A - Correcto Diagrama B - Incorrecto choque eléctrico. Igualmente, no toque en el máxima de 4 V o más, ajuste el nivel para... -
Page 5: Conexión De La Unidad
Conexión de la unidad Diagrama de conexión Conexión del terminal de 4. Conecte los cables al terminal. 3. Conecte los cables de altavoz al Uso de la entrada de altavoz PRECAUCION • Fijar los cables firmemente utilizando los terminal de salida de altavoz. alimentación Fusible (30 A) Conecte los hilos de la salida de altavoz... -
Page 6: Instalación
Conexión de la unidad Instalación Especificaciones • Realice primero conexiones provisorias y com- Conexión de los cables de altavoces Modo de dos canales (estéreo) Alimentación ......................14,4 V CC (10,8 — 15,1 V permisible) pruebe que el amplificador y el sistema operan PRECAUCION Sistema de puesta a tierra ..........................