Kicker Impulse 654xi User manual

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1

Table of contents

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G54xi/354xi

Four-Channel

Power

Amplifiers

Designed

as

the

perfect

compliment

to

the

highly

popular

KICKER®

IMPULSE

line

of

moderately-priced

speakers,

IMPULSE

Amplifiers

allow

you

to

build

a

high

performance

car

audio

system

on

a

budget.

The

myriad

of

features

on

the

IMPULSE

Amplifiers

make

it

possible

for

you

to

use

any

source

unit

to

control

a

single

amp

or

bi-amp

system

with

or

without

rear

fill.

Features

and

Controls

Your

IMPULSE

four-channel

amplifier

is

2

Ohm

stable

in

stereo

mode

and

will

operate

as

low

as

4

Ohms

in

bridged

mono.

For

connection

to

the

source

you

have

the

option

of

high

level

input

for

use

with

radios

that

don't

have

RCA

outputs.

An

electronic

crossover

is

built

in

for

convenience

and

allows

you

to

select

high

pass

for

satellite

speakers,

low

pass

for

subwoofers,

or

bypass

for

full

range

operation.

In

full

range

configuration

the

Impulse

amps

will

operate

stereo

and

mono

at

the

same

time.

Separate

KICKEQ

™

bass

and

treble

controls

give

you

the

ability

to

boost

low

and

high

frequencies

to

tailor

the

music

to

your

taste.

Auto-resetting

short

circuit

and

overthermal

protection

circuits

are

incorporated

to

protect

the

amplifier

from

failure

due

to

extreme

conditions.

State

of

the

art

circuitry

including

a

MOSFET

power

supply

and

glass

epoxy

circuit

boards

are

used

to

ensure

many

years

of

trouble

free

operation.

OPTIONAL

HIGH

LEVEL

IN

RF+

RF-

LF+

LP

LR+

LR-

RR+

RR-

Wiring

Instructions

The

preferred

method

of

bringing

input

signal

in

to

the

amplifier

is

with

RCA

cables

from

a

quality

tape

or

CD

player.

A

high

level

(speaker)

input

signal

may

also

be

used

if

your

factory

deck

or

aftermarket

source

does

not

have

low-level

RCA

jacks.

Some

of

the

system

possibilities

are

shown

in

the

System

Diagrams

section

of

this

manual.

When

working

with

power

connections

always

hook

up

the

ground

wire

first

and

disconnect

the

ground

wire

last.

Never

make

any

wiring

changes

with

the

amplifier

powered

up.

The

in-line

fuse

on

the"

positive

battery

connection

is

to

protect

the

wire

in

the

event

of

a

short

circuit.

Install

a

fuse

of

at

least

as

high

of

a

value

as

the

amplifier

requires

within

18

inches

of

the

battery

connection.

An

in-line

fuse

valued

at

30A

with

10

gauge

wire

are

recommended

for

the

354xi,

a

60A

fuse

with

8

gauge

wire

for

the

654xi.

Note:

if

the

wire

run

is

much

longer

than

10

feet

and

the

amplifier

is

being

used

either

in

2

Ohm

stereo

or

bridged

to

4

Ohms,

it

is

recommended

to

use

8

gauge

wire

for

the

354xi

and

4

gauge

wire

for

the

654xi.

This

may

require

a

power

distribution

block

near

the

amp

to

adapt

the

wire

size

back

down

to

the

recommended

gauge

to

make

connection

at

the

amp

easier.

Any

time

that

a

power

wire

goes

through

a

metal

panel

such

as

the

firewall,

or

if

there

is

any

chance

of

abrasion,

it

is

necessary

to

use

a

grommet

or

other

suitable

form

of

protection

to

avoid

shorts.

The

ground

wire

should

be

as

short

as

possible

and

attached

to

the

body

of

the

vehicle.

The

ground

point

must

be

clean

and

free

from

paint

and

corrosion.

To

reduce

the

chance

of

noise

entering

the

system

it

is

recommended

that

the

RCA

cables

be

run

through

the

vehicle

separate

from

any

power

wires.

Mounting

the

IMPULSE

Amplifier

After

determining

an

appropriate

mounting

location

which

provides

good

air

circulation

and

access

to

the

end

panel

controls,

use

the

supplied

screws

and

washers

to

firmly

mount

the

amplifier.

The

amplifier

chassis

may

be

used

as

a

template

for

the

screw

locations.

Check

to

make

sure

that

the

mounting

screws

will

not

damage

any

components

on

the

back

side

of

the

chosen

panel.

If

a

vertical

mounting

surface

is

chosen,

it

is

recommended

that

the

heatsink

fins

run

vertically

as

shown

at

right.

2

Basic

Systems

for

the

IMPULSE

Four-Channel

Amplifier

Stereo

Four

Channel

Internal

Crossovers

Off

.FULL

RANGE

SPEAKERS

2

Q

MIN/CHANNEL

Bi-Amp

Hookup

using

Internal

Crossovers

FRONT

CROSSOVER

SET

TO

HIGH

PASS,

70

or

110

Hz

REAR

CROSSOVER

SET

TO

LOW

PASS,

70

or

110

Hz

3

More

Systems

for

the

IMPULSE

Four-Channel

BI-AMP

SYSTEM

WITH

FOUR-CHANNEL

AND

TWO-CHANNEL

AMPS

BI-AMP

SYSTEM

WITH

TWO

FOUR-CHANNEL

AMPS

Adjustments

and

Controls

Setting

Gain

Control

The

gain

control

is

provided

for

level

matching

purposes.

The

control

does

not

give

the

amplifier

any

.more

power

by

turning

it

up.

Its

purpose

is

to

adjust

the

sensitivity

of

the

amplifier

in

relation

to

the

output

level

provided

by

the

source.

Start

with

the

amp

gain

set

to

minimum

by

turning

the

control

counter¬

clockwise.

Turn

the

source

level

up

until

distortion

is

barely

audible.

Then

turn

it

down

slightly.

This

will

typically

be

at

about

85%

to

95%

of

full

volume.

Raise

the

amplifier

gain

until

distortion

is

just

audible.

The

gain

is

now

set

correctly.

Check

the

level

with

cd/tape

and

tuner

to

make

sure

the

adjustment

is

correct

for

all

sources.

Setting

KICKEQ

™

Controls

The

Bass

and

Treble

controls

on

your

Impulse

Amplifier

are

provided

to

help

tune

your

system

for

ideal

sound

quality.

After

the

system

is

installed

and

the

vehicle

is

put

back

together,

do

a

listening

test

with

music

that

is

typical

of

the

type

you

normally

listen

to.

Initially

set

the

tone

controls

on

the

source

unit

to

flat

and

turn

the

KICKEQ

™

controls

fully

counter-clockwise.

Depending

on

your

personal

taste

and

the

speakers

used

in

the

system,

you

may

want

to

increase

the

high

or

low

frequencies

by

turning

the

KICKEQ

™

controls

clockwise.

Remember

that

once

the

vehicle

is

in

motion

there

will

be

an

apparent

loss

of

bass

due

to

the

masking

effect

of

road

noise.

Do

not

attempt

to

make

adjustments

while

the

vehicle

is

in

motion.

It

is

safer

to

pull

off

the

road

to

make

changes.

Never

change

the

crossover

settings

while

the

amplifier

is

on.

A

loud

pop

will

result

which

could

destroy

speakers

or

cause

hearing

loss.

Specifications

RMS

Power

(watts/channei)

9

1

2

.5V

354xi

654xi

4ft

stereo,

0.085%

THD,

all

channels

driven

35X4

65x4

2Qstereo,0.2%

THD,

all

channels

driven

50x4

95x4

4Q

bridged

mono,

0.2%

THD

100x2

190x2

Dynamic

Power

(watts/channei)

9

1

4

.4V

354xi

654xi

4Q

stereo,

0..085%

THD,

all

channels

driven

50x4

90x4

2

Q

stereo,

0.2%

THD,

ail

channels

driven

70x4

130x4

4ftbridged

mono,

0.2%

THD

140x2

260x2

Frequency

Response

input

Sensitivity

SlgnaFtoHolse

Ratio

Active

Electronic

Crossover

KICKEQ

m

Bass

Boost

KICKEQ

™

Treble

Boost

20Hz-20kHz

±0.5dB

High

level

1V-10V

Low

level150mV-3.0V

>90dB,

a-weighted,

re:

rated

power

18d8/octave,

selectable

@

70Hz

or

110

Hz;

selectable

high

pass,

low

pass,

all

pass

Variable

to

+18dB,

centered

@

40Hz

Variable

to

+12dB,

centered

@

12kHz

5

Troubleshooting

Red

power

indicator

off,

no

output:

•

With

Volt

Ohm

Meter

(VOM)

check:

1.

+12V

power

terminal

2.

Ground

terminal

3.

Remote

turn-on

lead

Red

power

indicator

on,

no

output:

•

Check

RCA

and

connections

•

Test

speaker

outputs

with

known

good

speaker

•

Check

function

of

source

unit

•

With

VOM

in

AC

volts

position

check

RCA

for

signal

No

output

from

one

channel:

•

Check

RCA

and

speaker

connections

for

that

channel

•

Swap

RCA

connections

from

left

to

right

•

Swap

speaker

connections

between

channels

Yellow

LED

protection

indicator

is

lit

and

there

is

no

output:

Case

1:

Amp

is

very

hot

•

Thermal

protection

is

engaged.

Check

for

proper

impedance

at

speaker

terminals.

Also

check

location

of

amplifier

to

ensure

proper

air

flow

around

heatsink.

Case

2:

Output

resumes

momentarily

when

system

is

turned

off

and

back

on.

•

Short

circuit

protection

is

engaged.

With

VOM

check

for

short

between

speaker

positive

and

negative,

and

between

speaker

terminals

and

ground.

Alternator

noise

(a

whining

that

varies

with

engine

RPM)

•

Make

sure

that

the

ground

for

the

source

is

as

short

as

possible

and

connected

to

bare

chassis

metal.

The

stock

radio

ground

may

not

be

sufficient.

•

Check

RCA

cable

routing

and

condition.

Keep

RCA

cables

away

from

all

power

wires.

6

Amplifier

Limited

Warranty

Stillwater

Designs

warrants

this

product

to

be

free

from

defects

in

material

and

workmanship

under

normal

use

for

a

period

of

three

(3)

years

from

date

of

original

purchase

when

installed

by

an

Authorized

KICKER

Dealer

or

one

(1)

year

from

date

of

original

purchase

if

not

installed

by

an

Authorized

KICKER

Dealer.

If

this

product

is

labeled

"B

Stock",

it

is

warranted

for

one

(1)

year

from

date

of

purchase,

regardless

of

place

of

installation.

Should

service

be

necessary

under

this

warranty

for

any

reason

due

to

manufacturing

defect

or

malfunction

during

the

warranty

period,

Stillwater

Designs

will

replace

or

repair

(at

its

discretion)

the

defective

merchandise

at

no

charge.

This

warranty

is

valid

only

for

the

original

purchaser

and

is

not

extended

to

owners

of

the

product

subsequent

to

the

original

purchaser.

Any

applicable

implied

warranties

are

limited

in

duration

to

a

period

of

the

express

warranty

as

provided

herein

beginning

with

the

date

of

the

original

purchase

at

retail,

and

no

warranties,

whether

express

or

implied,

shall

apply

to

this

product

thereafter.

Some

states

do

not

allow

limitations

on

implied

warranties,

therefore

these

exclusions

may

not

apply

to

you.

This

warranty

gives

you

specific

legal

rights;

however

you

may

have

other

rights

that

vary

from

state

to

state.

What

To

Do

If

You

Need

Warranty

or

Service

Defective

merchandise

must

be

returned

to

your

local

Authorized

Stillwater

Designs

(Kicker/Impulse)

Dealer

for

warranty.

Assistance

in

locating

an

Authorized

Dealer

can

be

obtained

by

writing

or

calling

Stillwater

Designs

direct.

You

can

confirm

that

a

dealer

is

authorized

by

asking

to

see

a

current

authorized

dealer

window

decal.

If

it

becomes

necessary

for

you

to

send

defective

merchandise,

package

all

defective

items

in

the

original

container

or

in

a

package

that

will

prevent

shipping

damage,

and

return

to

Stillwater

Designs'

5021

North

Perkins

Road,

Stillwater,

OK

74075

Return

only

defective

components.

Non-defective

items

received

will

be

returned

freight

collect.

Include

a

dated

proof-of-purchase

from

an

Authorized

Dealer.

Warranty

expiration

on

items

returned

without

proof-of-purchase

will

be

determined

from

the

manufacturing

date

code.

Coverage

may

be

invalidated

if

this

date

is

greater

than

one

(1)

year

previous

to

the

date

item

is

sent

in.

Freight

must

be

prepaid;

items

received

freight

collect

will

be

refused.

Failure

to

follow

these

steps

may

void

your

warranty.

Any

questions

can

be

directed

to

the

Warranty

Department

at

(405)624-8510.

What

Is

Not

Covered?

This

warranty

is

valid

only

if

the

product

is

used

for

the

purpose

for

which

it

was

designed.

It

does

not

cover:

•

Products

purchased

from

an

unauthorized

dealer.

•

Damage

due

to

improper

installation

•

Damage

caused

by

exposure

to

water,

excessive

heat,

chemical

cleaners,

and/

or

UV

radiation.

•

Damage

through

negligence,

misuse,

accident

or

abuse.

Repeated

returns

for

the

same

damage

may

be

considered

abuse.

•

Freight

damage.

•

The

cost

of

shipping

product

to

Stillwater

Designs

Service.

•

Items

previously

repaired

or

modified

by

any

unauthorized

repair

facility.

•

Items

returned

from

unauthorized

individuals

or

dealers.

•

Return

shipping

on

non-defective

items.

•

Products

with

tampered

or

missing

barcode

labels.

How

Long

Will

It

Take?

Stillwater

Designs

maintains

a

goal

of

24-hour

service

for

all

returns.

Delays

may

be

incurred

if

lack

of

replacement

inventory

or

parts

is

encountered.

7

International

Warranty

Contact

Your

international

Stillwater

Designs

dealer

or

distributor

concerning

specific

procedures

for

your

country's

warranty

policies.

WARNING:

KICKER

components

are

capable

of

producing

Sound

levels

that

can

permanently

damage

your

hearing.

Turning

up

a

system

to

a

level

that

has

audible

distortion

is

more

damaging

to

your

ears

than

listening

to

an

undistorted

system

at

the

same

volume

level.

The

threshold

of

pain

is

always

an

indicator

that

that

sound

level

is

too

loud

and

may

permanently

damage

your

hearing.

Please

use

common

sense

when

controlling

volume!

P.O.

Box

459

STILLWfflER

Stillwater,

OK

74076

USA

•

405

624-8510