Krell Industries KAV-500 Quick start guide

The

Leader

Audio

Engineering

KAV-500

Multi-Channel

Power

Amplifier

99.0

Owner’s

Reference

Rrell

Industries,

Inc.

Connair

Road

Orange,

06477-3650

USA

TEL

203-799-9954

FAX

203-799-9796

E-MAIL

[email protected]

WEBSITE

www.krellonline.com

MARKING

This

product

complies

with

the

EMC

directive

(89/336/EEC)

and

the

low-voltage

directive

(73/23/EEC).

This

product

manufactured

the

United

States

America.

KRELL

registered

trademark

KRELL

Industries,

Inc.,

and

restricted

for

use

KRELL

Industries,

Inc.,

its

subsidiaries,

and

authorized

agents.

KRELL

Industries,

Inc.

All

rights

reserved

P/N

1960101801069

TABLE

CONTENTS

INTRODUCTION

UNPACKING

AND

ASSEMBLY

BASIC

INSTALLATION

INPUT

AND

OUTPUT

CONNECTIONS

CONFIGURATION

CHANGES

TROUBLESHOOTING

WARRANTY

RETURN

AUTHORIZATION

PROCEDURE

BACK

SPECIFICATIONS

COVER

INTRODUCTION

Thank

you

for

your

purchase

the

KRELL

KAV-500

Multi-Channel

Power

Amplifier.

The

modular

nature

the

KAV-500

makes

the

ideal

amplifier

for

the

variety

configurations

encountered

music

and

home

theater

systems.

The

KAV-500

can

configured

with

two

five

channels

amplification.

The

operation

the

amplifier

remains

the

same

whether

equipped

with

two,

three,

four,

five

amplifier

channels.

Each

amplifier

channel

rated

100

watts

8Q.

Any

two

adjacent

channels

can

bridged

together

form

one

400

watt

channel.

The

flexibility

was

primary

design

feature

for

the

KAV-500.

The

result

amplifier

that

can

tailored

meet

the

requirements

for

great

variety

system

arrangements.

obtain

the

best

performance

from

your

KAV-500,

careful

attention

should

paid

its

placement,

installation

and

operation.

thorough

understanding

these

details

will

help

insure

satisfactory

operation

and

long

life

for

the

KAV-500

and

system

components.

The

Owner’s

Reference

divided

into

several

sections,

each

designed

perform

different

function.

you

read

through

the

Owner’s

Reference

you

will

become

better

acquainted

with

the

features

and

functions

that

make

the

KAV-500

superb

value.

Troubleshooting

section

included

with

solutions

potential

problems.

Should

you

have

any

questions

suggestions,

please

feel

free

contact

your

authorized

dealer

the

KRELL

staff

for

assistance.

the

unlikely

event

that

your

KAV-500

should

require

service,

you

will

pleased

know

that

backed

comprehensive

Customer

Satisfaction

policy

and

one

the

most

advanced

service

facilities

the

industry.

For

detailed

information

the

terms

and

conditions

service,

please

consult

your

warranty

registration

card,

your

KRELL

Dealer

Distributor.

UNPACKING

AND

ASSEMBLY

After

opening

the

box

and

removing

the

top

layer

foam,

the

KAV-500

and

the

following

items

wall

now

visible:

5/32”

hex

wrench

T-10

Torx

wrench

T-15

Torx

wrench

Bridging

jumpers

Amp

slow

blow

fuse

(100/120

Volt

only)

Amp

slow

blow

fuse

(200/220/240

Volt

only)

Amp

standard

fuses

VDC

(12

trigger)

cable

power

cord

Owner’s

Reference

Warranty

card

NOTE:

any

these

items

are

not

included

please

contact

your

authorized

KRELL

dealer.

NOTE:

Save

all

packing

materials.

you

must

ship

your

KAV-500

the

future,

re-pack

the

unit

its

original

packaging

prevent

shipping

damage.

BASIC

INSTALLATION

Place

the

unit

firm

level

surface

free

from

excessive

dirt

moisture.

When

using

custom

racks

cabinetry,

keep

mind

the

weight

and

ventilation

requirements

for

this

amplifier.

preferable

run

long

balanced

interconnect

cables

the

amplifier

and

keep

speaker

cable

length

minimum.

Although

the

KAV-500

designed

have

minimal

interaction

with

speaker

cable,

long

runs

cable

add

impedance

the

load

the

amplifier

must

drive.

This

true

regardless

the

speaker

cable’s

gauge.

CABINETRY

CONSIDERATIONS

When

the

KAV-500

use,

can

become

quite

warm.

Therefore,

the

KAV-500

should

installed

location

that

provides

unobstructed

ventilation.

you

must

locate

the

unit

within

closed

cabinet,

extra

ventilation

advised.

This

can

often

accomplished

with

cabinet

shelf

spacing

alternate

unit

placement.

extreme

instances

the

use

small

fans

can

aid

removing

excessive

heat

from

internal

spaces.

Consult

your

dealer

for

assistance.

Generally,

with

the

front

and

rear

cabinet

open,

one

inch

clearance

each

side

and

two

inches

vertical

clearance

will

provide

adequate

ventilation.

Since

the

bottom

the

amplifier

gets

quite

hot,

caution

should

used

when

placing

the

amplifier

deep

pile

carpeting,

discoloration

may

result

through

prolonged

use.

CONSIDERATIONS

While

the

KAV-500

does

not

require

dedicated

circuit,

strongly

advise

against

any

connections

through

extension

cords

multiple

adapters.

High

quality

amp

line

conditioners

grounded

strips

are

acceptable.

INPUT

AND

OUTPUT

CONNECTIONS

CAUTIONS:

When

making

connections

this

component

any

other,

make

sure

the

power

amplifier

off

and

the

preamplifier/processor

the

mute

stand¬

mode.

The

wiring

and

from

the

amplifier,

and

all

components

general,

should

arranged

neat,

organized

manner.

Specifically,

wires

should

separated

from

audio

cables.

This

practice

avoids

hum

other

unwanted

noise

from

being

introduced

into

the

system.

Connect

the

speaker

cables

the

amplifier’s

output

terminals.

The

KAV-500

utilizes

standard

binding

posts

for

each

amplifier

channel.

These

connectors

bare

wire,

banana

plugs,

pins,

spade

lugs.

The

red

terminal

used

for

the

positive

connection

and

the

black

terminal

used

for

the

negative

connection.

CAUTION:

Make

sure

all

cable

terminations

are

the

highest

quality,

free

from

frayed

ends,

shorts,

cold

solder

joints.

Connect

the

interconnect

cables

from

your

preamplifier/processor

the

inputs

the

KAV-500.

Each

KAV-500

channel

has

balanced

and

single-ended

inputs.

The

balanced

inputs

use

standard

three

XLR

connectors

and

the

single-ended

inputs

use

standard

RCA

connectors.

recommend

use

balanced

interconnects;

they

reduce

noise

and

not

incur

significant

sonic

loss

due

extreme

cable

lengths.

Use

balanced

connection

any

channel

will

increase

gain

that

particular

channel.

This

gain

increase

characteristic

balanced

circuitry.

For

systems

that

include

both

balanced

and

single-ended

connections,

each

KAV-500

channel

equipped

with

gain

switch,

located

the

input

connectors,

compensate

for

this

difference.

Generally,

the

appropriate

position

this

switch

dictated

the

inputs

used.

The

following

two

guidelines

address

the

vast

majority

systems:

All

balanced

all

single-ended

connections:

All

KAV-500

channel

switch

settings

should

either

dB.

This

choice

will

depend

the

sensitivities

the

speakers

connected

the

amplifier.

Combination

balanced

and

single-ended

connections:

All

channels

using

balanced

connections

should

set

dB.

The

channels

utilizing

single-ended

connections

should

set

dB.

These

settings

are

meant

starting

points.

Individual

speaker

sensitivities,

processor

adjustment

capabilities

and

listening

room

characteristics

are

among

the

variables

that

dictate

the

final

switch

settings

for

each

KAV-500

channel.

Please

consult

your

KRELL

dealer

for

additional

assistance.

CAUTION:

Use

only

one

input

each

amplifier

channel

time.

The

KAV-500

shipped

with

shorting

pins

the

XLR

inputs.

These

pins

should

remain

the

XLR

inputs

you

are

operating

KAV-500

channel

the

single-ended

mode.

When

the

shorting

inserted,

pins

one

and

three

are

shorted

together.

The

shorting

pins

must

removed

connect

KAV-500

channel

for

balanced

operation.

The

assignments

for

the

XLR

connectors

are:

Shield

(ground)

Non-inverting

input

(hot)

Inverting

input

Power

the

source

components,

preamplifier/processor

and

then

engage

the

power

switch

the

KAV-500.

The

KAV-500

power

supply

incorporates

slow

start

protection

circuit

that

prevents

excessive

current

from

reaching

the

audio

circuitry

upon

initial

turn

on.

After

pressing

the

power

switch,

the

pilot

light

will

illuminate.

There

short

delay,

followed

audible

click.

This

click

the

protection

circuitry

disengaging.

The

amplifier

now

ready

for

operation.

Should

you

have

any

questions

regarding

system

set-up,

contact

your

dealer

KRELL.

USING

DEDICATED

WALL

OUTLET

AND

SWITCH

The

KAV-500

Multi-Channel

Power

Amplifier

can

powered

from

wall

receptacle

with

dedicated

wall

switch

rather

than

from

the

front

panel

power

button

optional

remote

control.

Please

contact

your

authorized

KRELL

dealer,

distributor,

KRELL

for

information

before

you

connect

your

amplifier

dedicated

wall

outlet

with

switch

VDC

POWER

OUT

AND

(12

TRIGGER)

The

KAV-500

equipped

with

output

that

sends

VDC

power

on/off

(12

trigger)

signals

other

KRELL

components

and

input

that

recognizes

VDC

power

on/off

signals

from

other

KRELL

components

and

devices

that

incorporate

trigger.

This

allows

the

remote

turning

and

off

the

KAV-500

with

the

power

activation

another

KRELL

component

and

with

other

components

used

custom

installation.

CONFIGURATION

CHANGES

The

modular

nature

the

KAV-500

makes

changing

the

original

configuration

the

amplifier

simple

procedure.

Configuration

changes

are

made

adding,

bridging

removing

KAV-500

amplifier

channels.

IMPORTANT

Removing

the

cover

reconfigure

for

bridged

operation

and

change

fuses

(see

Troubleshooting)

are

the

ONLY

instances

you

are

authorized

remove

the

cover

any

KRELL

component

without

voiding

your

Warranty.

For

information

product

limitations

and

restrictions,

see

Warranty

page.

install

additional

amplifier

channel.

Turn

the

amplifier

off.

Remove

the

two

screws

the

top

rear

edge

the

amplifier

channel

and

the

two

screws

the

bottom

rear

edge

the

amplifier

channel

that

secure

the

blank

panel

the

rear

the

KAV-500

the

new

amplifier

channel

location.

Each

amplifier

channel

equipped

with

three

male

banana

plugs.

Slide

the

amplifier

channel

into

the

chassis

until

the

three

plugs

lock

into

place

the

rear

the

front

panel.

With

the

supplied

5/32”

hex

wrench,

install

the

ten

hex

bolts

the

bottom

the

amplifier,

firmly

securing

the

T-bar

heatsink

the

chassis.

not

tighten

the

bolt

until

all

ten

are

threaded.

Install

the

two

screws

the

top

rear

edge

the

amplifier

channel

and

the

two

screws

the

bottom

rear

edge

the

amplifier

channel.

These

screws

are

situated

the

plate

which

the

binding

posts

are

mounted.

Connect

input

and

output

cables.

Set

the

gain

switch

following

the

guidelines

outlined

previously.

Power

all

source

and

control

components

and

then

the

KAV-500.

Bridging

two

amplifier

channels

Any

two

adjacent

channels

can

combined,

bridged,

form

one

400

watt

channel.

The

KAV-500

can

support

two

bridged

400

watt

channels.

Turn

the

amplifier

off.

Remove

the

top

cover

using

the

supplied

T-10

and

T-15

Torx

wrenches.

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