Harman Kardon HK680 User manual

Integrated

Amplifier

OWNER’

MANUAL

Congratulations

your

choice

the

Harman

Kardon

Integrated

Amplifier.

order

obtain

the

best

performance

from

this

integrated

amplifier,

please

sure

read

this

owner’s

manual

and

use

your

integrated

amplifier

only

accordance

with

its

instructions.

The

special

features

this

unit

include:

HCC

(High

Instantaneous

Current

Capability)

The

amplifier

sections

react

rapidly

musical

transients,

providing

the

instantaneous

current

necessary

precisely

drive

and

control

nearly

any

loudspeaker

system.

Ultrawide

Bandwidth

The

bandwidth

this

unit

exceptionally

wide

and

independent

negative

feedback.

This

improves

transient

accuracy

and

phase

linearity.

Low

Negative

Feedback

This

unit

has

been

designed

have

low

distortion

and

wide

bandwidth

without

high

negative

feedback.

This

further

improves

its

dynamic

accuracy.

Discrete

Component

Circuitry

order

achieve

the

above

goals,

all

discrete

electronic

circuitry

has

been

employed.

available

integrated

circuits

could

provide

this

high

level

performance.

Sophisticated

Electronic

Protection

Circuitry

Harman

Kardon’s

unique

protection

circuitry

guards

the

amplifier

from

short-

circuited

damaged

speakers

and

wires,

without

impairing

sound

quality

the

use

current

limiting

output

relays.

GENERAL

INSTRUCTIONS

Always

Use

230V

This

unit

designed

for

operation

with

230V

AC.

Use

only

domestic

outlets.

Never

connect

the

unit

outlet

supplying

higher

voltage.

This

may

create

fire

hazard.

Handle

the

Power

Cord

Gently

not

disconnect

the

plug

from

the

outlet

pulling

the

cord;

always

pull

the

plug

itself.

Pulling

the

cord

may

damage

it.

you

not

intend

use

your

unit

for

any

considerable

length

time,

disconnect

the

plug

from

the

outlet.

not

place

furniture

other

heavy

objects

the

cord,

and

try

avoid

dropping

heavy

objects

upon

it.

Also

not

make

knot

the

power

cord.

Not

only

may

the

cord

damaged,

can

also

cause

short

circuit

with

consequent

fire

hazard.

HK680

OWNER’S

MANUAL

Place

Installation

Place

the

unit

firm

and

level

surface.

Avoid

installing

your

unit

under

the

following

conditions:

Moist

humid

places.

Places

exposed

direct

sunlight

heating

equipment.

Extremely

cold

locations.

Places

subject

excessive

vibration

dust.

Poorly

ventilated

places.

not

obstruct

the

ventilation

slots

the

top

surface

the

unit

placing

objects

over

them.

Otherwise,

the

temperature

inside

the

unit

may

rise,

possibly

affecting

its

long-

term

reliability.

Not

Open

the

Cabinet

prevent

shock

hazard,

not

tamper

with

internal

components

for

inspection

maintenance.

Harman

Kardon

does

not

guarantee

against

performance

degradation

resulting

from

any

modification.

water,

hairpin

wire

accidentally

enters

the

unit,

immediately

extract

the

plug

from

the

outlet

prevent

shock

and

consult

authorized

Harman

Kardon

service

station.

you

use

the

unit

under

this

condition,

may

cause

fire

shock

hazard.

Case

Moving

the

Unit

Before

moving

the

unit,

sure

pull

out

the

power

cord

from

the

outlet

and

disconnect

the

interconnection

cords

with

other

units.

Abnormal

Smells

you

detect

abnormal

smell

smoke,

immediately

turn

the

amplifier

off

and

unplug

the

power

cord.

Contact

your

dealer

nearest

Harman

Kardon

service

center.

Cleaning

the

unit

gets

dirty,

wipe

with

soft

dry

cloth.

necessary,

wipe

with

soft

cloth

dampened

with mild

soapy

water

and

then

with

dry

cloth.

Never

use

benzene,

thinner,

alcohol

other

volatile

agent,

and

avoid

spraying

insecticide

near

the

unit.

Packaging

Save

all

packing

material.

essential

for

shipping

should

you

move,

the

event

the

unit

ever

needs

repair.

Indicates

that

the

UNIt

susan

switched

on.

Indicates

that

power

cord

connected

receptacle

and

that

the

unit

switched

off.

Power

Switch

Press

turn

the

unit

and

off.

Headphone

Jack

Plug

headphones

desired.

(With

both

Speakers

and

switches

Off

position,

output

supplied

only

headphones.)

CONTROLS

and

FUNCTIONS

harman/kardon

680

Treble

Balance

Lee

ee)

deo.

Bass

Headphones

Cc)

Tone

Defeat

Mono

“ope

tape?

Bana

ide

Rie”

Indicates

which

function

Remote

Sensor

Indicates

which

function

selected

for

listening.

selected

for

recording.

Speakers

Switches

Bass

Control

Volume

Control

Push

select

either

two

sets

Turn

increase

decrease

the

Turn

raise

lower

output

volume.

speakers,

both,

neither

proportion

low

frequency

sound.

(headphone

output

only).

Tone

Defeat

Switch

Treble

Control

Press

bypass

the

bass

and

treble

Listen

Selector

Buttons

Turn

increase

decrease

the

control

circuitry.

(The

bass

and

treble

Select

desired

input

source

pressing

proportion

high

frequency

sound.

controls

have

effect.)

the

corresponding

button.

Balance

Control

Mono

Switch

Record

Selector

Buttons

Turn

adjust

relative

output

level

left

Press

hear

input

from

any

source

Select

desired

output

source

for

and

right

speakers.

mono.

recording

pressing

the

corresponding

button.

Connecting

Other

Components

Make

sure

your

amplifier

and

other

components

are

turned

off.

Connect

each

component's

Output

jacks

the

corresponding

Input

jacks

the

back

your

amplifier.

Use

the

white,

black

gray

plugs

connect

Left

channel

jacks;

use

the

red

plugs

for

Right

jacks.

For

Customers

with

Turntable

connect

turntable,

optional

Phono

board

must

installed.

This

board

can

set

MC.

With

the

Phono

board

installed,

however,

you

cannot

use

the

AUX

input.

you

want

have

the

Phono

board

installed,

consult

your

authorized

Harman

Kardon

service

center.

Connecting

external

power

amplifier

you

want

use

your

HK680

simply

preamplifier

and

connect

external

power

amplifier,

use

the

PRE-

OUT

connectors

the

lower-left

corner.

Connect

the

patch

cord

from

the

PRE-

OUT

jacks

the

HK680

the

jacks

your

external

power

amplifier.

Then

connect

your

speakers

your

external

power

amplifier.

Connecting

external

preamplifier

use

the

HK680

simply

power

amplifier,

connect

the

Pre-Out

jacks

the

external

preamplifier

the

MAIN-IN

jacks

the

back

panel

the

HK680.

CONNECTIONS

Then

set

the

“INTEGRATED-

SEPARATE?”

switch

the

back

panel

the

“SEPARATE”

position.

Wired

Remote

Control

control

your

amplifier

with

external

infrared

remote

sensor,

connect

the

wire

from

the

remote

sensor

the

REMOTE

jack

the

back

panel.

Or,

another

stereo

component

has

built-in

infrared

remote

sensor

and

Remote

Output

jack,

may

possible

connect

this

jack

the

REMOTE

jack

your

amplifier.

All

Harman

Kardon

products

with

"Remote

In”

and

"Remote

Out"

jacks

are

compatible

with

one

another,

except

for

the

Citation

22,

and

25.

Other

manufacturers’

remote

sensors

and

components

may

not

compatible,

but

will

not

hurt

experiment.

second

wire

may

used

connect

your

amplifiers

REMOTE

OUT

jack

the

Remote

Input

another

stereo

component.

Continue

this

process

include

additional

components

(if

compatible).

Connecting

Speakers

For

best

performance,

use

high

quality

speaker

cables.

However,

ordinary

copper

wire

can

used

the

gauge

meets

the

following

requirements:

Wire

Length

Gauge

2.5

meter

AWG

Upto4meter

16AWG

Upto6meter

14AWG

Over

meter

10-12

AWG

custom

speaker

cable

Avoid

coiling

excess

wire

with

near

line

level

hook-up

cords.

IMPORTANT:

When

connecting

two

pairs

speakers,

determine

the

impedance

each

pair

looking

the

back

the

speakers,

your

owner’s

manual,

contacting

your

dealer

manufacturer.

Then

refer

the

following

chart

see

both

sets

may

played

simultaneously.

ifimpedance

Can

both

pairs

the

two

played

pairs

is:

simultaneously?

8Q/8Q

YES

8Q/6Q

80/4Q

6Q/6Q

60/40

4Q/40

WARNING:

not

play

both

sets

speakers

simultaneously

except

recommended

above.

Amplifier

may

overheat.

Power

Plug

the

cord

into

wall

socket

(230V

AC).

NOTE:

The

power

does

not

shut

off

completely

just

turning

the

power

off.

power

cord

should

removed

from

outlet

when

not

use

for

prolonged

time.

For

Customers

the

Your

unit

supplied

with

the

flex

which

will

have

either

two

three

wires,

the

following

items

should

observed

guarantee

safety:

THREE

CORE

FLEX

WARNING:

THIS

APPARATUS

MUST

EARTHED.

IMPORTANT.

The

wires

this

mains

lead

are

coloured

accordance

with

the

following

code:

Green-and-yellow

Earth

Blue

Neutral

Brown

Live

the

colours

the

wires

the

mains

lead

this

apparatus

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

your

plug,

proceed

follows:

The

wire

which

coloured

green-and-yellow

must

connected

the

terminal

the

plug

which

marked

the

letter

the

safety

earth

symbol

coloured

green

green-and-yellow.

The

wire

which

coloured

blue

must

connected

the

terminal

which

marked

with

the

letter

coloured

black.

The

wire

which

coloured

brown

must

connected

the

terminal

which

marked

with

the

letter

coloured

red.

TWO

CORE

FLEX

IMPORTANT.

The

wires

this

mains

lead

are

coloured

accordance

with

the

following

code:

Blue

Neutral

Brown

Live

the

colours

the

wires

the

mains

lead

this

apparatus

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

your

plug,

proceed

follows:

The

wire

which

coloured

blue

must

connected

the

terminal

which

marked

with

the

letter

coloured

black.

The

wire

which

coloured

brown

must

connecied

the

terminal

which

marked

with

the

letter

coloured

red.

High

Level

Audio

Speaker

System

Turntable

Source

Cassette

Tape

Deck

Cassette

Tape

Deck

Right

channel

_Left

channel

—==|

}©=©£©©QOW

—————

Car

[os

Oo)

(wi)

(ujp)

—

wll

©|®

AUDIO.

OUT

owe

AAD

OO ME DU

Sea

Dae

Seca

oe,

SPEAKER

SND

SYSTEM

GNC

With

optional

Phono

mie

board

installed

wall

outlet

‘ouTruT

‘AUDIO

OUT

oMMO0002,

—

Right

channel

Left

channel

Power

Amplifier

Preamplifier

Video

Player

Compact

Disc

Player

Tuner

Speaker

System

Listening

your

player,

tape

deck,

tuner

other

component

sound

source

Turn

Volume

control

minimum

level

and

press

the

Power

switch

turn

the

amplifier.

The

power

indicator

lights

up.

Set

the

Speakers

switches

play

speakers

both

neither

(for

headphone

use).

Press

the

Listen

selector

button

corresponding

the

component

you

wish

hear.

Begin

playing

the

desired

components.

Adjust

the

Volume

control

the

desired

level.

Adjust

Bass,

Treble

and

Balance

controls

desired.

NOTE:

you

have

the

optional

Phono

board

installed,

press

the

Aux

button

listen

the

turntable.

listen

Tape

Tuner

Video

Aux

Aux2

Rec

Tape!

Tape2

Tuner

Video

Aux

Aux2

Making

Recording

make

recording

tape

deck,

simply

press

the

Rec

selector

button

that

corresponds

the

piece

equipment

you

wish

record

from.

The

Rec

output

will

supplied

Tape

and

Tape

enabling

you

record

any,

both

simultaneously.

(a)

record

from

one

tape

device

another,

press

the

Rec

selector

button

corresponding

the

“Rec

From”

(play)

device.

(b)

selecting

different

sources

for

Listen

and

Rec,

you

may

listen

one

audio,

while

recording

from

another.

NOTE

3-head

tape

deck

connected

TAPE

jacks,

you

can

monitor

the

actual

recording

while

process.

Press

Listen

selector

button

that

corresponds

the

connected

jack.

NOTE

The

record

output

signal

carried

directly

from

the

program

source

without

being

influenced

the

Volume,

Bass,

Treble

Balance

control.

OPERATING

INSTRUCTIONS

Independent

Remote

Control

The

keys

the

remote

control

unit

function

the

same

the

corresponding

buttons

the

amplifier

itself.

The

remote

control

unit

also

includes

many

keys

that

allow

for

easy

control

other

Harman

Kardon

cassette

tape

deck,

player

and

tuner.

Please

refer

the

owner's

manual

for

each

unit

for

operating

instructions.

Some

these

units

must

connected

the

amplifier’s

remote

contro!

output

jacks

that

the

system

remote

control

can

operate

them.

Operating

Conditions

The

control

unit

operates

effectively

within

distance

meters

and

angle

30°

from

the

amplifier.

Using

the

control

near

fluorescent

lights

may

shorten

this

range,

will

any

dust

dirt

that

accumulates

the

front

the

remote

control,

the

remote

sensor

area

the

amplifier.

Also

avoid

blocking

the

line

sight

between

amplifier

and

remote.

The

control

unit

powered

two

batteries,

included

with

your

amplifier.

When

you

replace

weak

batteries,

replace

both

the

same

time.

When

the

remote

unused

for

extended

period,

remove

the

batteries

prevent

damage

from

corrosion.

fOO

POO

OOO

-O-0-0

harman/kardon

RIAION

This

unit

designed

for

trouble-free

operation;

most

problems

users

encounter

are

due

operating

errors.

you

have

problem,

first

check

this

list

for

possible

solution.

the

problem

persists,

consult

your

authorized

Harman

Kardon

service

center.

TROUBLESHOOTING

the

problem

is:

Make

sure

that:

lights

illuminate

when

power

cord

plugged

into

outlet.

The

unit

plugged

into

live

outlet.

sound

heard.

Press

the

Speakers

switches

corresponding

the

desired

speakers.

Correct

Listen

button

has

been

pressed.

Volume

turned

up.

Speaker

wires

are

connected

properly.

Hook-up

wires

source

component

are

connected

properly.

Sound

not

heard

from

the

speaker

system

one

side.

When

listening

stereo

sound,

the

left

and

right

sounds

are

reversed.

Intermittent

continuous

buzzing

hissing.

The

speaker

wires

and

connection

wires

are

connected

correctly.

The

balance

control

knob

set

the

center.

M™

The

speaker

wires

are

connected

correctly.

The

wires

between

components

are

connected

correctly.

The

unit

away

from

fluorescent

lights,

TVs,

motors

and

other

electrical

appliances.

Tone

control

not

functioning.

Press

the

Tone

Defeat

switch

off

position.

Phono

sound

too

faint,

has

hum,

ringing,

“howl”.

Ground

wire

from

turntable

has

been

connected

ground

terminal

amplifier.

Cable

from

turntable

away

from

power

cords

and

speaker

cables.

Turntable

away

from

speakers.

Turntable

stable

surface.

Note:

The

optional

phono

board

required

play

turntable.

SPECIFICATIONS

Continuous

Average

Power

Per

Channel

(FTC)

Ohms:

Watts

@<0.08%THD

20Hz

20kHz,

Both

Channels

Driven

Ohms:

130

Watts

@<0.3%THD

Dynamic

Power

(IHF,

1kKHz

tone

burst)

Ohms:

110

Watts

Ohms:

170

Watts

Ohms:

240

Watts

High

Instantaneous

Current

Capability

(HCC):

+70

Amps

Power

Bandwidth

half-rated

output,

8Q:

<10Hz

100kHz

Frequency

Response

(+0/—3dB):

0.25Hz

100kHz

Damping

Factor:

Signal-to-Noise

Ratio

(reference

rated

power

Tuner/CD:

98dB

output,

A-Wtd.)

Option

Phono

(MM):

80dB

Option

Phono

(MC):

75dB

Input

Sensitivity/Impedance

Tuner/CD:

150mV/22kQ

Option

Phono

(MM):

2.2mV/47kQ,

125pf

Option

Phono

(MC):

120nV/56Q

Phono-Overload

Option

Phono

(MM):

100mV

Option

Phono

(MC):

5mV

Tone

Control

Range,

Bass

50Hz/Treble

10kHz:

+10dB/+10dB

Power

Supply:

230V,

50/60Hz

Power

Consumption:

300W

Dimensions

(Width

Height

Depth):

443

134

406mm

Weight:

12.4kg

All

features

and

specifications

are

subject

change

without

notice.

Declaration

Conformity

We,

Harman

Marketing

Europe

a/s

Kongevejen

194B

DK-3460

Birkerod

DENMARK

declare

own

responsibility,

that

the

product

described

this

owners

manual

compliance

with

technical

standards:

55013/6.1990,

55020/6.1988,

55022/4.1987

Accredited

test

laboratory:

MIKES

PRODUCT

SERVICE

GmbH

Ohmstrasse

2-4

D-94342

Strasskirchen

Birkerad,

DENMARK,

Oct.

18.

1994

ip.c

Steen

Michaelsen

harman

marketing

europe

a/s

The

appliance

conforms

with

EEC

directive

87/308/EEC

regarding

interference

suppression.

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