Pioneer GM-A4604: инструкция

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BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER

AMPLIFICATEUR DE PUISSANCE PONTABLE À QUATRE CANAUX

AMPLIFICATORE DI POTENZA A QUATTRO CANALI COLLEGABILE A PONTE

AMPLIFICADOR DE POTENCIA DE CUATRO CANALES EN PUENTE

BRÜCKBARER 4-KANAL-LEISTUNGSVERSTÄRKER

SCHAKELBARE 4-KANAALSVERSTERKER

ЧЕТЫРЕХКАНАЛЬНЫЙ УСИЛИТЕЛЬ МОЩНОСТИ С ВОЗМОЖНОСТЬЮ

МОСТОВОГО ВКЛЮЧЕНИЯ

GM-A6604

GM-A4604

Owner’s Manual

Mode d’emploi

Manuale d’istruzioni

Manual de instrucciones

Bedienungsanleitung

Русский

Handleiding

Руководство пользователя

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Black plate (2,1)

Section

01

Before you start

Thank you for purchasing this PIONEER

! We offer the latest information about

product

PIONEER CORPORATION on our

website.

To ensure proper use, please read through this

manual before using this product. It is espe-

If you experience problems

cially important that you read and observe

WARNINGs and CAUTIONs in this manual.

Should this product fail to operate properly,

Please keep the manual in a safe and accessible

please contact your dealer or nearest author-

place for future reference.

ized Pioneer Service Station.

Before connecting/

installing the amplifier

WARNING

! The use of a special red battery and ground

If you want to dispose this product, do not mix

wire RD-223, available separately, is recom-

it with general household waste. There is a se-

mended. Connect the battery wire directly to

parate collection system for used electronic

the car battery positive terminal + and the

products in accordance with legislation that re-

ground wire to the car body.

quires proper treatment, recovery and recy-

! This unit is for vehicles with a 12 V battery and

cling.

negative grounding. Before installing in re-

creational vehicles, trucks or buses, check the

Private households in the member states of

battery voltage.

the EU, in Switzerland and Norway may return

! When installing this unit, make sure to con-

their used electronic products free of charge

nect the ground wire first. Ensure that the

to designated collection facilities or to a retai-

ground wire is properly connected to metal

ler (if you purchase a similar new one).

parts of the car’s body. The ground wire of the

For countries not mentioned above, please

one of this unit must be connected to the car

contact your local authorities for the correct

separately with different screws. If the screw

method of disposal.

for the ground wire loosens or falls out, it

By doing so you will ensure that your disposed

could result in fire, generation of smoke or

product undergoes the necessary treatment,

malfunction.

recovery and recycling and thus prevent po-

! Always use a fuse of the rating prescribed.

tential negative effects on the environment

The use of an improper fuse could result in

and human health.

overheating and smoke, damage to the pro-

duct and injury, including burns.

! Check the connections of the power supply

and speakers if the fuse of the separately sold

Visit our website

battery wire or the amplifier fuse blows. Deter-

Visit us at the following site:

mine and resolve the cause, then replace the

http://www.pioneer.co.uk

fuse with and identical equivalent.

! Register your product. We will keep the de-

tails of your purchase on file to help you

refer to this information in the event of an

insurance claim such as loss or theft.

2

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Section

Before you start

01

English

! Always install the amplifier on a flat surface.

— If the speaker output terminal and speaker

Do not install the amplifier on a surface that

wire are short-circuited.

is not flat or on a surface with a protrusion.

— If a DC voltage is applied to the speaker

Doing so could result in malfunction.

output terminal.

! When installing the amplifier, do not allow

! The amplifier will reduce the power output if

parts such as extra screws to get caught be-

the temperature inside the amplifier gets

tween the amplifier and the automobile.

high. If the temperature gets too high, the

Doing so could cause malfunction.

power indicator will turn off, and the amplifier

! Do not allow this unit to come into contact

will shut down.

with liquids. Electrical shock could result.

Also, damage to this unit, smoke, and over-

heating could result from contact with liquids.

The surfaces of the amplifier and any attached

speakers may also heat up and cause minor

burns.

! In the event of any abnormality, the power

supply to the amplifier is cut off to prevent

equipment malfunction. If this occurs, switch

the system power off and check the power

supply and speaker connections. If you are un-

able to determine the cause, please contact

your dealer.

! Always disconnect the negative * terminal of

the battery beforehand to avoid the risk of

electric shock or short circuit during installa-

tion.

! Do not attempt to disassemble or modify this

unit. Doing so may result in fire, electric

shock or other malfunction.

CAUTION

! Always keep the volume low enough to hear

outside sounds.

! Extended use of the car stereo while the en-

gine is at rest or idling may exhaust the bat-

tery.

About the protection function

This product has protection function. When this

product detects something abnormal, the follow-

ing functions will operate to protect the product

and speaker output.

! The power indicator will turn off and the am-

plifier will shut down in the situations outlined

below.

3

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Section

02

Setting the unit

frequency. OFF outputs the entire fre-

What’s what

quency range.

GM-A6604

2 GAIN (gain) control

Front side

Adjusting gain controls CHANNEL A (chan-

nel A) and CHANNEL B (channel B) helps

align the car stereo output to the Pioneer

amplifier. Default setting is the NORMAL

position.

If output remains low, even when the car

stereo volume is turned up, turn controls to

Rear side

lower level. If distortion occurs when the car

stereo volume is turned up, turn these con-

trols to higher level.

! If using only one input plug, set the gain

controls for speaker outputs A and B to

the same position.

! For use with an RCA equipped car stereo

GM-A4604

(standard output of 500 mV), set to the

Front side

NORMAL position. For use with an RCA

equipped Pioneer car stereo, with maxi-

mum output of 4 V or more, adjust level

to match that of the car stereo output.

! For use with an RCA equipped car stereo

with output of 4 V, set to the HIGH posi-

tion.

Rear side

3 INPUT SELECT (input select) switch

Select 2CH for two-channel input and 4CH

for four–channel input.

! You can select input select only for con-

nections when using the RCA input jack.

For connections when using the speaker

To adjust the switch, use a flathead screwdri-

input wire, 4CH will be used automati-

ver if needed.

cally no matter which switch setting is

selected.

1 LPF (low-pass filter)/HPF (high-pass fil-

ter) select switch

4 FREQ (cut off frequency) control

Switch the settings based on the connected

Cut off frequency selectable from 40 Hz to

speaker.

500 Hz if the LPF/HPF select switch is set to

! When the Subwoofer is connected:

LPF or HPF.

Select LPF. This eliminates high range

! You can select cut off frequency only for

frequency and outputs low range fre-

CHANNEL B.

quency.

! When the full range speaker is con-

5 BASS BOOST (bass boost level control)

nected:

switch

Select HPF or OFF. HPF eliminates low

You can select a bass boost level from 0 dB

range frequency and output high range

to 12 dB.

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Section

Setting the unit

02

English

! Bass boost level setting applies only to

Relationship between amplifier gain

CHANNEL B (channel B) output.

and head unit output power

6 Power indicator

The power indicator lights up to indicate

power ON.

Setting gain properly

! Protective function included to prevent

malfunction of the unit and/or speakers

If amplifier gain is raised improperly, this will

due to excessive output, improper use or

simply increase distortion, with little increase

improper connection.

in power.

! When outputting high volume sound etc.,

Signal waveform when outputting at

this function cuts off the output for a few

high volume using amplifier gain

seconds as a normal function, but output

control

is restored when the volume of the head

unit is turned down.

! A cut in sound output may indicate impro-

per setting of the gain control. To ensure

continuous sound output with the head

unit at a high volume, set amplifier gain

control to a level appropriate for the preout

maximum output level of the head unit, so

that volume can remain unchanged and to

If the signal waveform is distorted due to high

control excess output.

output, even if the amplifier gain is raised, the

! Despite correct volume and gain settings,

output power will change only slightly.

the unit sound still cuts out periodically. In

such cases, please contact the nearest

authorized Pioneer Service Station.

Gain control of this unit

Preout level: 2 V

(Standard: 500 mV)

Preout level: 4 V

Above illustration shows NORMAL gain set-

ting.

5

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