Clarion APA2I50G Fiche technique

1997/1

(T.K)

280-6832-00

clarion

APA2I50G

75W

channel

power

amplifier

OPERATION

AND

INSTALLATION

MANUAL

INTRODUCTION

Powerful

power

supply

circuit

built

The

thorough-going

circuit

configuration

uses

low-loss

power

MOS

FETs

the

high-efficiency

PWM

DC-DC

converter,

high-capacity

low-impedance

capacitors,

the

large

toroidal

choke

coil,

and

the

copper

foil

dual-side

printed

circuit

board,

the

powerful

built-in

power

supply

circuit

provides

stable

power

with

margin

han¬

dle

even

instantaneous

signal

changes.

The

transistor

low

magnetic

flux

leak¬

age

high-capacity

core

type

transistor.

Furthermore,

the

ripple

elimination

pri¬

mary

side

choke

coil

directly

linked

the

battery

and

the

DC-DC

converter

sec¬

ondary

side

choke

coil

are

fastened

pedestal

with

auxiliary

pins

improve

the

ability

withstand

vibration.

Wealth

functions

with

superior

operability

There

gain

control

with

wide

range

input

sensitivity

and

stereo/monaural

select

switch.

High-pass/low-pass

filter

circuits

with

continually

varying

cutoff

fre¬

quencies

are

built

in.

Also,

since

all

these

operations

are

centralized

the

top

surface

the

heat

sink,

operation

after

installation

easy.

Furthermore,

since

bass

boost

function

emphasize

the

bass

region

built

in,

this

device

can

also

used

bass

amplification

amplifier.

Power

guard

circuit

The

amp

has

built-in

power

guard

function

hold

down

the

gain

during

overdrive

and

prevent

unpleasant

clipping

distortion.

DESCRIPTION

Built-In

protective

circuits

These

circuits

prevent

damage

the

amp

speakers

due

any

abnormality

such

excess

power

supply

voltage,

speaker

terminal

shorts,

high

temperature.

Design

emphasizing

sound

quality

Extremely

high-reliability

parts

have

been

used

for

even

the

smallest

parts,

includ¬

ing

high

through

rate

low

noise

op-amps,

output-stage

transistors

with

superior

cur¬

rent

linearity,

and

sealed

relays

for

switching

signals

bypass

complex

signal

lines

when

filters

are

off.

This

avoids

all

compromise

and

thoroughly

pursues

simple

and

straight

signal

lines

make

possible

stable

speaker

driving

across

broad

band

with

faithful

expression

the

sound

source.

Also,

each

terminal

group

equipped

with

gold-plated

input/output

terminals

that

transmit

signals

reliably

and

provide

high

reliability.

Newly

designed

heat

sink

The

main

heat

sink

new

design

with

sleek

structure.

avoid

heat

dispersion

fins

the

surface,

tunnel-shaped

heat

sink

placed

the

center

the

printed

circuit

board

and

powerfully

cooled

with

electric

fan.

Furthermore,

the

heat

dis¬

persion

efficiency

has

been

greatly

improved

making

the

air

flow

pathway

straight.

Also,

the

audio

section

and

power

supply

section

are

shielded

eliminate

interference

between

blocks.

The

Clarion

APA2150G

car

audio

amplifier

(shown

Figure

2-channel

amplifier

that

delivers

watt

(RMS),

into

channels

200

watt

into

channel.

Depending

your

application,

this

amplifiers

excellent

choice

for

customizing

your

own

car

audio

system.

All

connections

and

controls

are

end

panels

and

are

straightforward

and

easy

understand.

use

gold-plated

RCA

and

barrier

connectors

ensure

the

best

electrical

con¬

nection

for

your

system.

Included

are

external

automotive-type

fuses

that

are

easy

replace.

Amplifier

Controls

and

Power

Indicator

Connections

INPUT

Turns

the

bass

extender

and

off.

The

boosting

volume

can

adjusted

between

+tdB

and

+12dB.

Figure

Front

Panel

Layout

Channel

mode

selector

switch

Switches

between

STEREO

and

MONO.

HIGH

CURRENT

Indicator

Lights

when

the

power

guard

circuit

turned

off.

Power

guard

selector

switch

Switches

between

HIGhTdEFINITION

(Power

guard

ON)

and

HIGH

CURRENT

(Power

guard

OFF).

HIGH

DEFINITION

Indicator

Lights

when

the

power

guard

circuit

turned

on.

(The

power

guard

function

activated.)

Filter

selector

switch

Switch

between

HP<3=>LP<=0

OFF.

Outputs

only

sound

from

which

low

frequecies

are

cut.

(Adjust

with

the

filter

frequency

adjustment

volume

ranging

from

50Hz

200

Hz.

Outputs

only

sound

from

which

high

frequecies

are

cut.

(Adjust

with

the

filter

frequency

adjustment

volume

ranging

from

50Hz

200

Hz.

OFF:

Outputs

sound

all

bands.

Power

indicator

This

indicator

lights

when

the

power

turned

the

main

unit.

Filter

frequency

control

volume

Adjust

the

filter

frequency

ranging

from

200

Hz.

Gain

control

volume

•

These

selector

switches

can

adjust

amp

output

level.

Use

them

adjust

the

balance

the

front

and

rear

speakers

emphasize

the

low

frequencies.

•

protect

the

speaker,

the

gain

controls

1/2

was

set

the

MIN

position

when

shipped

from

factory.

completion

the

audio

system

installation

and

wire

connections,

rotate

them

clockwise

increase

output

level.

•

When

making

connection

with

speaker

low

input,

careful

not

set

the

gain

control

1/2

excessive

level

position.

Figure

Upper

Panel

Layout

CONNECTIONS

The

RCA

input

jacks

are

the

front

panel,

and

the

rear

panel

are

the

power

The

speaker

terminals

are

also

gold-plated,

terminals,

auto

motive

type

fuses

and

speaker

output

terminals.

The

INPUT

and

OUTPUT

connectors

the

APA2150G

are

gold-plated

RCA

the

APA2150G,

the

gold-plated

power

terminals

are

labeled

(left

right)

jacks,

marked

[L]

for

the

Left

channel

and

[R]

for

the

Right

channel.

REMOTE

(remote

turn-on),

GROUND

and

BATTERY.

“

APPLICATIONS

APA2150G

Figure

Overall

Connections

Source

unit

•

Set

the

filter

selector

switch

and

the

channel

mode

selector

switch.

Note:

When

setting

these

selectors

switches,

sure

turn

off

the

power

the

source

unit.

Figure

Stereo

mode

Source

unit

•

Set

the

filter

selector

switch

and

the

channel

mode

selector

switch.

Note:

When

setting

these

selectors

switches,

sure

turn

off

the

power

the

source

unit.

Figure

Mono

mode

(when

using

subwoofer)

INSTALLATION

The

section

lists

mounting

and

wiring

precautions

for

installing

the

Clarion

APA2150G

car

audio

amplifier.

Combined

with

the

experience

professional

installer,

these

safeguards

are

sufficiently

detailed

successfully

complete

installa¬

tion.

you

not

have

the

necessary

skills,

not

install

the

amplifier

yourself.

Instead,

see

your

authorized

Clarion

dealer

for

installation

recommendations.

Mounting

Precautions

Although

this

Clarion

amplifier

incorporates

large

heat

sink

and

protection

cir¬

cuits,

mounting

any

amplifier

confined

space

without

any

air

movement

can

still

damage

internal

circuits

over

time.

Choose

site

that

provides

adequate

ventilation

around

the

amplifier.

For

easy

system

set-up,

mount

the

amplifier

the

controls

and

fuse

will

accessible

after

installation.

addition,

observe

these

precautions:

•

For

the

most

efficient

cooling,

mount

the

amplifier

cool

air

runs

along

the

length

the

fins

rather

than

across

them.

Remember,

any

moving

air

will

dissi¬

pate

heat.

•

Mount

the

amplifier

rigid

surface.

not

install

the

amplifier

plastic

other

combustible

material.

•

Prior

drilling,

make

sure

proposed

mounting

holes

will

not

cut

into

the

fuel

tank,

fuel

lines,

brake

lines

(under

chassis),

electrical

wiring.

Cautions

installation

sure

use

the

screws

supplied

with

this

amplifier

install

your

car.

Mounting

the

machine

using

screws

other

than

those

supplied

may

lead

mal¬

functioning

the

unit.

When

you

mount

the

machine,

careful

not

damage

the

wiring

your

car

with

tools

parts

such

tapping

screws.

Installation

procedure

Open

four

holes

(o3.5

mm)

mount

the

unit.

Use

the

four

tapping

screws

30)

secure

the

unit.

hen

mounting

the

unit

plastic

plate

carpet,

use

the

plate

nuts.

Wiring

Precautions

•

Read

all

wiring

precautions.

you

are

not

sure

the

connections,

contact

your

authorized

Clarion

dealer.

•

Before

installation,

make

sure

the

head

unit

power

switch

turned

OFF.

•

Disconnect

the

negative

(-)

lead

the

battery

before

making

any

power

connec¬

tions.

•

When

making

connections,

sure

that

each

connection

clean

and

secure.

Insulate

final

connections

with

electrical

tape

shrink

tubing.

Failure

may

damage

your

equipment.

•

secure,

clean

ground

connection

critical

the

performance

your

Clarion

car

audio

amplifier.

Use

the

shortest

ground

wire

possible

minimize

resistance

and

avoid

noise

problems.

•

Add

external

fuse

the

positive

(+)

power

lead

and

connect

possible

the

vehicle’s

(+)

battery

terminal.

Use

rating

that

equals

the

total

cur¬

rent

consumption

full

output

all

amplifiers

the

system.

Adding

external

fuse

will

protect

the

electrical

system

from

short-circuits

that

can

cause

fire.

•

Refer

Figure

when

making

electrical

connections.

Connect

the

amplifier’s

positive

(+)

power

lead

via

fuse

directly

the

positive

(+)

terminal

the

car

battery.

not

connect

this

wire

the

car’s

fuse

panel.

Use

yellow-insulated

10-

gauge

(or

larger)

wire

for

the

amplifier’s

positive

{+)

power

lead

and

the

same

gauge

black

insulated

wire

for

the

ground.

•

ring

terminal

cannot

used

for

the

speaker

output

terminal

and

the

power

source

terminal.

(The

terminal

screw

has

been

designed

not

come

off.)

•

When

replacing

the

amplifies!?

fuse,

always

use

one

having

the

same

current

rat¬

ing.

Substituting

with

higher-rated

fuse

can

reduce

protection

and

may

result

serious

damage

the

amplifier.

•

Never

ground

the

speakers

the

vehicle

chassis

body.

•

Make

sure

that

your

vehicle’s

electrical

system

(i.e.,

alternator,

battery,

etc.)

capable

handling

the

additional

load.

you

are

planning

install

multi-ampli¬

fier

system,

you

may

need

add

second

battery

and

possibly

upgrade

the

alternator

with

higher-output-rated

model.

Consult

your

Clarion

dealer

for

rec¬

ommendations.

-•

o.avoidLpossihla

noise

problems,

amplifier's

positive.

(+)

power

lead

along,

one

side

the

vehicle

the

battery,.

Run

the

remote

turn-on

wire

and

RCA

audio

cable

down

the

center,

and

route

the

speaker

wires

along

the

remaining

side.

wires

must

cross,

run

the

perpendicular

each

other.

•

When

creating

passage

holes

for

the

power

wire,

use

grommets

eliminate

any

sharp

edges

created

during

drilling.

This

will

protect

the

wire

from

being

nicked

and

causing

short-circuit.

•

Extra

cable

cause

signal

loss

and

act

“antenna"

for

noise.

Use

only

high

quality

RCA

cables

that

are

longer

than

necessary

make

direct

connection

with

the

source

unit

equalizer.

•

Depending

the

type

system

being

installed,

refer

the

examples

Figures

through

for

information

wiring

and

setting

the

operation

mode.

Figure

Installation

Procedure

Figure

Electrical

Connections

FINAL

SYSTEM

CHECKS

Start

the

engine

and

turn

the

source

unit.

After

short

two-second

delay,

slowly

raise

the

volume

and

listen

the

sound.

you

hear

any

noise,

static,

distortion,

sound

all,

check

the

connections,

and

also

refer

the

‘Troubleshooting”

section.

Depending

your

system

design,

the

levels

may

become

quite

loud

even

low

volume

control

settings.

Until

you

get

“feel”

the

power

the

system,

use

care

when

adjusting

the

controls.

Adjust

the

balance

control

from

left

right

and

listen

the

results.

Audio

imag¬

ing

should

match

control

settings.

TROUBLESHOOTING

Symptom

Cause

Solution

audio

Low

remote

turn-on

voltage

Blown

fuse

Power

wires

not

connected

Speakers

not

connected

blown

Check

remote

connections

amplifier

and

source

unit.

Replace

with

new

fast-blow

fuse

(same

rating).

Check

power

and

ground

connections

amplifier;

check

battery

connections.

Check

speaker

connectors

amplifier;

measure

coil

impedance.

Audio

cycles

and

off

Thermal

protection

circuits

are

shutting

amplifier

off.

Check

location

for

adequate

ventilation;

consult

authorized

Clarion

dealer.

Distorted

sound

Gain

control

not

set

properly,

damaged

speaker

cones

Adjust

gain

control;

check

each

speaker

cone

for

signs

damage

(e.g.,

frozen

cone,

burning

smell,

etc.).

Whining

ticking

noise

the

sound

with

engine

Amplifier

picking

alternator

noise

radiated

noise

Check

power

and

ground

connections

amplifier;

check

move

audio

cables;

install

in-line

noise

filter

source

unit’s

power

wire;

check

alternator

and/or

voltage

regulator;

test

for

weak

battery

add

water

battery.

SPECIFICATIONS

crease

the

volume

and

verify

that

the

APA2150G

amplifier

reproduces

audio

without

distortion

all

frequencies.

you

hear

distortion,

check

the

connections

and

verify

that

the

gain

controls

are

set

correctly.

Another

possibility

damaged

(or

under-powered)

speakers.

Once

again,

refer

the

“Troubleshooting”

section

for

additional

help.

Maximum

Output:

Rated

Output

Power:

Frequency

Response:

Harmonic

Distortion:

SOW

(2-channel

mode)

75W

(2-channel

mode)

(20Hz

20kHz,

0.02%,

4fl,

with

2-channel

simultaneous

output)

100W

(20Hz

20kHz,

0.02%,

2Q)

200W

(1-channel

mode)

50,000Hz

0.02%

(20Hz

20kHz,

2-channel

mode,

75W

simultaneous

output)

S/N

Ratio:

117dB

Applicable

Speaker

lmpedance:4Q

(

2£1

8£2,

channel

mode:

Stereo)

Input

Sensitivity:

Low-Pass

Filter/High-Pass

Filter

Cut-off

Frequency:

Bass

Extender:

Power

Source

Voltage:

Ground:

Power

Consumption:

Auto-fuse

capacity:

External

dimensions:

Weight:

200mV

5,000mV

50Hz

200Hz

(-24dB/oct)

+1dB~+12dB

(at

Hz)

14.4V

Negative

22A

(with

75W

rated

output)

1.0A

(amplifier

ON,

input)

30A

14-1/2”(367mm)

Width

2-3/4”(70mm)

Height

8-5/8”(220mm)

Depht

3.9

(137oz)

■

-3/4".

(70

mm)

75«5

APA2I50G

5-1/2"(14c|

mm)

8-5/8

(220

mm)

For

improvement

purposes,

specifications

and

design

are

subject

change

without

prior

notice.

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