BRIDGEABLE POWER AMPLIFIER
AMPLIFICADOR DE POTENCIA EN
Manual del Propietario
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
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
Printed in China
Impreso na China
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
In case of trouble
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.
• 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
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
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
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
• Confirm that no parts are behind the panel when
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
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
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:
Audio frequency range
to be output
Very Low Frequency range
Connect a subwoofer.