Roland Kc-500 User manual

Table of contents

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Roland’

STEREO

MIXING

KEYBOARD

AMPLIFIER

KC-500

OWNER'S

MANUAL

Main

Features

We'd

like

to

take

a

moment

to

thank

you

for

purchasing

the

Roland

KC-500

Stereo

Mixing

Keyboard

Amplifier.

Before

using

this

unit,

carefully

read

the

sections

entitled:

"IMPORTANT

SAFETY

INSTRUCTIONS"

(p.

2),

"USING

THE

UNIT

SAFELY"

(p.

3),

and

"IMPORTANT

NOTES"

(p.

4).

These

sections

provide

important

information

concerning

the

proper

operation

of

the

unit.

Additionally,

in

order

to

feel

assured

that

you

have

gained

a

good

grasp

of

every

feature

provided

by

your

new

unit,

this

manual

should

be

read

in

its

entirety.

The

manual

should

be

saved

and

kept

on

hand

as

a

convenient

reference.

*

The

KC-500

keyboard

amplifier

is

specifically

designed

to

accurately

reproduce

the

high-quality

sounds

of

today's

digital

keyboards.

*

The

38-cm

(15-inch)

speaker

and

horn

tweeter

provide

high-power

output

of

sounds

across

the

sonic

spectrum.

*

The

KC-500

offers

four

stereo

pairs

of

input

jacks,

as

well

as

two

stereo

pairs

(1/4"

and

XLRs)

of

line

out

jacks.

*

The

KC-500

provides

a

STEREO

LINK

function.

This

makes

it

possible

to

use

two

KC-

500

amplifiers

to

achieve

full

stereo

output

from

your

keyboard.

*

Input

Channel

4

(CH

4)

includes

a

select

switch

that

lets

you

choose

the

destination

for

output.

This

feature

rounds

out

the

monitor

functions.

*

All

input

and

output

jacks

are

set

at

an

angle,

preventing

connecting

cables

from

becoming

entangled

above

the

control

panel

and

allowing

for

easy

access

to

the

panel.

Copyright

©

1995

ROLAND

CORPORATION

All

rights

reserved.

No

part

of

this

publication

may

be

reproduced

in

any

form

without

the

written

permission

of

ROLAND

CORPORATION.

for:

Venn(e)\

The

lightning

flash

with

arrowhead

symbol,

within

an

RIS

DF

ELECTRIC’

SHOCK

equilateral

triangle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

within

the

ATTENTION:

risque

ve

cHoc

ELECTRIQUE

NE

PAS

OUVRIR

product's

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

The

exclamation

point

within

an

equilateral

triangle

is

DO

NOT

REMOVE

COVER

(OR

BACK).

intended

to

alert

the

user

to

the

presence

of

important

NO

USER-SERVICEABLE

PARTS

INSIDE.

operating

and

maintenance

(servicing)

instructions

in

the

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

literature

accompanying

the

product.

INSTRUCTIONS

PERTAINING

TO

A

RISK

OF

FIRE,

ELECTRIC

SHOCK,

OR

INJURY

TO

PERSONS.

IMPORTANT

SAFETY

INSTRUCTIONS

SAVE

THESE

INSTRUCTIONS

WARNING

-

When

using

electric

products,

basic

precautions

should

always

be

followed,

including

the

following:

1.

Read

all

the

instructions

before

using

the

product.

8.

The

power-supply

cord

of

the

product

should

be

unplugged

2.

Do

not

use

this

product

near

water

—

for

example,

near

a

from

the

outlet

when

left

unused

for

a

long

period

of

time.

bathtub,

washbowl,

kitchen

sink,

in

a

wet

basement,

or

near

9.

Care

should

be

taken

so

that

objects

do

not

fall

and

liquids

a

swimming

pool,

or

the

like.

are

not

spilled

into

the

enclosure

through

openings.

3.

This

product

should

be

used

only

with

a

cart

or

stand

that

is

10.The

product

should

be

serviced

by

qualified

service

recommended

by

the

manufacturer.

personnel

when:

4.

This

product,

either

alone

or

in

combination

with

an

amplifier

A.

The

power-supply

cord

or

the

plug

has

been

damaged;

or

and

headphones

or

speakers,

may

be

capable

of

producing

B.

Objects

have

fallen,

or

liquid

has

been

spilled

into

the

sound

levels

that

could

cause

permanent

hearing

loss.

Do

product;

or

not

operate

for

a

long

period

of

time

at

a

high

volume

level

C.

The

product

has

been

exposed

to

rain;

or

or

at

a

level

that

is

uncomfortable.

If

you

experience

any

D.

The

product

does

not

appear

to

operate

normally

or

hearing

loss

or

ringing

in

the

ears,

you

should

consult

an

exhibits

a

marked

change

in

performance;

or

audiologist.

E.

The

product

has

been

dropped,

or

the

enclosure

5.

The

product

should

be

located

so

that

its

location

or

position

damaged.

does

not

interfere

with

its

proper

ventilation.

11.Do

not

attempt

to

service

the

product

beyond

that

described

6.

The

product

should

be

located

away

from

heat

sources

such

in

the

user-maintenance

instructions.

All

other

servicing

as

radiators,

heat

registers,

or

other

products

that

produce

should

be

referred

to

qualified

service

personnel.

heat.

7.

The

product

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

product.

For

the

USA

GROUNDING

INSTRUCTIONS

This

product

must

be

grounded.

If

it

should

malfunction

or

breakdown,

grounding

provides

a

path

of

least

resistance

for

electric

current

to

reduce

the

risk

of

electric

shock.

This

product

is

equipped

with

a

cord

having

an

equipment-grounding

conductor

and

a

grounding

plug.

The

plug

must

be

plugged

into

an

appropriate

outlet

that

is

properly

installed

and

grounded

in

accordance

with

all

local

codes

and

ordinances.

DANGER:

Improper

connection

of

the

equipment-grounding

conductor

can

result

in

a

risk

of

electric

shock.

Check

with

a

qualified

electrician

or

serviceman

if

you

are

in

doubt

as

to

whether

the

product

is

properly

grounded.

Do

not

modify

the

plug

provided

with

the

product

—

if

it

will

not

fit

the

outlet,

have

a

proper

outlet

installed

by

a

qualified

electrician.

For

the

U.K.

WARNING:

—

THIS

APPARATUS

MUST

BE

EARTHED

IMPORTANT:

THE

WIRES

IN

THIS

MAINS

LEAD

ARE

COLOURED

IN

ACCORDANCE

WITH

THE

FOLLOWING

CODE.

GREEN-AND-YELLOW:

EARTH,

BLUE:

NEUTRAL,

BROWN:

LIVE

As

the

colours

of

the

wires

in

the

mains

lead

of

this

apparatus

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

in

your

plug,

proceed

as

follows:

The

wire

which

is

coloured

GREEN-AND-YELLOW

must

be

connected

to

the

terminal

in

the

plug

which

is

marked

by

the

letter

E

or

by

the

safety

earth

symbol

@or

coloured

GREEN

or

GREEN-AND-YELLOW.

The

wire

which

is

coloured

BLUE

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

N

or

coloured

BLACK.

The

wire

which

is

coloured

BROWN

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

L

or

coloured

RED.

The

product

which

is

equipped

with

a

THREE

WIRE

GROUNDING

TYPE

LINE

PLUG

must

be

grounded.

USING

THE

UNIT

SAFELY

INSTRUCTIONS

FOR

THE

PREVENTION

OF

FIRE,

ELECTRIC

SHOCK,

OR

INJURY

TO

PERSONS

About

A\

WARNING

and

A\

CAUTION

Notices

Used

for

instructions

intended

to

alert

the

user

to

the

risk

of

death

or

severe

injury

should

the

unit

be

used

improperly.

/\WARNING

Used

for

instructions

intended

to

alert

the

user

to

the

risk

of

injury

or

material

damage

should

the

unit

be

used

improperly.

ZA\

CAUTION

*

Material

damage

refers

to

damage

or

other

adverse

effects

caused

with

respect

to

the

home

and

all

its

furnishings,

as

well

to

domestic

animals

or

pets.

¢

Before

using

this

unit,

make

sure

to

read

the

instruc-

M\

tions

below,

and

the

Owner's

Manual.

¢

Do

not

open

or

perform

any

internal

modifications

on

®)

the

unit.

e

When

using

the

unit

with

a

rack

or

stand

recom-

rt)

mended

by

Roland,

the

rack

or

stand

must

be

careful-

ly

placed

so

it

is

level

and

sure

to

remain

stable.

If

not

using

a

rack

or

stand,

you

still

need

to

make

sure

that

any

location

you

choose

for

placing

the

unit

provides

a

level

surface

that

will

properly

support

the

unit,

and

keep

it

from

wobbling.

¢

Avoid

damaging

the

power

cord.

Do

not

bend

it

SO

excessively,

step

on

it,

place

heavy

objects

on

it,

etc.

A

damaged

cord

can

easily

become

a

shock

or

fire

haz-

ard.

Never

use

a

power

cord

after

it

has

been

dam-

aged.

¢

In

households

with

small

children,

an

adult

should

provide

supervision

until

the

child

is

capable

of

fol-

lowing

all

the

rules

essential

for

the

safe

operation

of

the

unit.

Protect

the

unit

from

strong

impact.

(Do

not

drop

it!)

*

Do

not

force

the

unit's

power-supply

cord

to

share

an

SO

outlet

with

an

unreasonable

number

of

other

devices.

Be

especially

careful

when

using

extension

cords—

the

total

power

used

by

all

devices

you

have

connect-

ed

to

the

extension

cord's

outlet

must

never

exceed

the

power

rating

(watts/amperes)

for

the

extension

cord.

Excessive

loads

can

cause

the

insulation

on

the

cord

to

heat

up

and

eventually

melt

through.

ALWAYS

OBSERVE

THE

FOLLOWING

About

the

Symbols

The

A\

symbol

alerts

the

user

to

important

instructions

or

warnings.The

specific

meaning

of

the

symbol

is

determined

by

the

design

contained

within

the

triangle.

In

the

case

of

the

symbol

at

left,

it

is

used

for

general

cautions,

warnings,

or

alerts

to

danger.

The

©

symbol

alerts

the

user

to

items

that

must

never

be

carried

out

(are

forbidden).

The

specific

thing

that

must

not

be

done

is

indicated

by

the

design

contained

within

the

circle.

In

the

case

of

the

symbol

at

left,

it

means

that

the

unit

must

never

be

disassembled.

The

@

symbol

alerts

the

user

to

things

that

must

be

carried

out.

The

specific

thing

that

must

be

done

is

indicated

by

the

design

contained

within

the

circle.

In

the

case

of

the

symbol

at

left,

it

means

that

the

power-

cord

plug

must

be

unplugged

from

the

outlet.

¢

Before

using

the

unit

in

a

foreign

country,

oneult

AN.

with

your

dealer,

or

qualified

Roland

service

person-

nel.

CAUTION

e

Always

grasp

only

the

plug

on

the

power-supply

cord

when

plugging

into,

or

unplugging

from

an

out-

let.

¢

Try

to

prevent

cords

and

cables

from

becoming

entan-

A

gled.

Also,

all

cords

and

cables

should

be

placed

so

they

are

out

of

the

reach

of

children.

¢

Never

climb

on

top

of,

nor

place

heavy

objects

on

the

SO

unit.

¢

Never

handle

the

power

cord

or

its

plug

with

wet)

hands

when

plugging

into,

or

unplugging

from,

an

outlet.

¢

Before

moving

the

unit,

disconnect

the

power

plug

(7

from

the

outlet,

and

pull

out

all

cords

from

external

“™&*

devices.

¢

Before

cleaning

the

unit,

turn

off

the

power

and

4

unplug

the

power

cord

from

the

outlet

(p.

4).

e

Whenever

you

suspect

the

possibility

of

lightning

in

e:

your

area,

pull

the

plug

on

the

power

cord

out

of

the

outlet.

¢

The

unit

is

very

heavy,

so

care

should

be

taken

not

to

uN

drop

it

on

your

feet

when

moving

it.

IMPORTANT

NOTES

In

addition

to

the

items

listed

under

"IMPORTANT

SAFETY

INSTRUCTIONS”

and

"USING

THE

UNIT

SAFELY"

on

pages

2

and

3,

please

read

and

observe

the

following:

Power

Supply

¢

Do

not

use

this

unit

on

the

same

power

circuit

with

any

device

that

will

generate

line

noise

(such

as

an

electric

motor

or

variable

lighting

system).

*

Before

connecting

this

unit

to

other

devices,

turn

off

the

power

to

all

units.

This

will

help

prevent

malfunctions

and/or

damage

to

speakers

or

other

devices.

Placement

e

Using

the

unit

near

power

amplifiers

(or

other

equipment

containing

large

power

transformers)

may

induce

hum.

To

alleviate

the

problem,

change

the

orientation

of

this

unit;

or

move

it

farther

away

from

the

source

of

interference.

¢

This

device

may

interfere

with

radio

and

television

recep-

tion.

Do

not

use

this

device

in

the

vicinity

of

such

receivers.

Maintenance

*

Caring

for

the

metal

parts

Wipe

the

unit

with

a soft,

dry

cloth

or

one

that

has

been

slightly

dampened

with

water.

To

remove

stubborn

dirt,

use

a

mild,

non-abrasive

detergent.

Afterwards,

be

sure

to

wipe

the

unit

thoroughly

with

a

soft,

dry

cloth.

*

Caring

for

the

covering

Clean

with

a

stiff-bristled

brush.

PANEL

DESCRIPTIONS

1

2

IPS

ETS

|

¢

Never

use

benzene,

thinners,

alcohol

or

solvents

of

any

kind,

to

avoid

the

possibility

of

discoloration

and/or

defor-

mation.

Additional

Precautions

¢

Use

a

reasonable

amount

of

care

when

using

the

unit's

but-

tons,

sliders,

or

other

controls;

and

when

using

its

jacks

and

connectors.

Rough

handling

can

lead

to

malfunctions.

¢

When

connecting

/

disconnecting

all

cables,

grasp

the

con-

nector

itself-never

pull

on

the

cable.

This

way

you

will

avoid

causing

shorts,

or

damage

to

the

cable's

internal

ele-

ments.

¢

A

small

amount

of

heat

will

radiate

from

the

unit

during

normal

operation.

¢

To

avoid

disturbing

your

neighbors,

try

to

keep

the

unit's

volume

at

reasonable

levels.

You

may

prefer

to

use

head-

phones,

so

you

do

not

need

to

be

concerned

about

those

around

you

(especially

when

it

is

late

at

night).

¢

When

you

need

to

transport

the

unit,

package

it

in

the

box

(including

padding)

that

it

came

in,

if

possible.

Otherwise,

you

will

need

to

use

equivalent

packaging

materials.

4

5

| |

—|

—

QO

©

©

OO

BOO

LIMONO)

OR

ILIMONO)

A

ILIMONO)

RO

ILIMONO)

A

REVAL

au

oboe

ote

wif

8,

a

SE

oo

an)

CHANNEL

CONTROL

ORES

EXQ}+sP

BI}

+

sP+

uneour

SSS

SSS

8

9

10

JACKS

1.

Input

Jacks

These

jacks

are

for

connecting

your

keyboard(s).

For

a

stereo

output,

make

connections

to

both

the

L

and

R

jacks

of

one

pair.

For

mono

output,

connect

the

keyboard

to

the

L

(MONO)

jack

of

a

pair.

*

The

volume

of

a

mono

connection

will

be

louder

than

that

of

a

stereo

connection;

this

is

normal.

2.

PHONES

Jack

Connect

a

set

of

stereo

headphones

to

this

jack.

*

Before

headphones

are

connected,

be

sure

to

set

the

volume

[10]

for

the

PHONES

Section

to

"0."

4

Cg

IN

|

LL

(MONO)

Ow

“a

TOGO

GHG

©

VOLUME

me.

ean

POWER

}

°

[|

00

4dBm,

ONa.

MASTER

CONTROL

LINE

OUT

OFF

at

12 13 14 15

v4

6

*

The

amplifier's

speakers

work

even

when

headphones

are

connected.

3.

STEREO

LINK

OUT

Jack

Connect

this

jack

to

the

STEREO

LINK

IN

jack

on

a

second

KC-500

when

you

wish

to

have

true

stereo

output.

When

a

cable

is

connected

to

the

STEREO

LINK

OUT

jack,

the

right-channel

input

signals

are

output

from

the

internal

speakers.

The

left-channel

input

signals

are

output

from

the

OUT

jack

to

the

other

KC-500.

*

For

details

on

the

Stereo

Link

function,

take

a

look

at

"CON-

NECTIONS

AND

POWERUP"

(p.

6).

4.

STEREO

LINK

IN

Jack

Connect

this

jack

to

the

STEREO

LINK

OUT

jack

on

the

main

unit

(the

other

KC-500)

when

a

true

stereo

output

is

required.

Left-channel

input

signals

are

output

from

the

internal

speakers.

*

For

details

on

the

Stereo

Link

function,

take

a

look

at

"CON-

NECTIONS

AND

POWERUP"

(p.

6).

5.

Line

Out

Jacks

(1/4"

and

XLRs)

Connect

a

mixer

or

recording

device

to

either

(or

both)

of

these

pairs

of

outputs.

CONTROL

PANEL

6.

POWER

Switch

This

switches

the

amplifier

on

and

off.

*

When

turning

the

power

on

or

off,

be

sure

that

the

volume

levels

((8],

[10],

[14],

and

[15])

for

all

Sections

are

set

to

"0."

*

This

unit

is

equipped

with

a

protection

circuit.

A

brief

inter-

val

(a

few

seconds)

after

power

up

is

required

before

the

unit

will

operate

normally.

7.

Pilot

Lamp

This

indicator

lights

when

the

unit

is

turned

on.

CHANNEL

CONTROL

Section

8.

Volume

Knobs

Each

of

the

four

knobs

is

used

to

set

the

volume

for

the

corre-

sponding

channel.

Rotating

a

knob

clockwise

increases

the

volume.

*

Channel

3

doubles

as

a

microphone

input.

9.

OUTPUT

SELECT

Knob

This

knob

allows

you

to

select

the

output

destination

for

sig-

nals

input

to

Channel

4.

©

:

Select

this

position

when

you

wish

to

listen

to

synchro-

nization

signals

or

a

drum

machine

(for

example)

through

headphones,

without

output

to

the

internal

or

any

external

speakers.

A

:

Output

is

through

the

headphones

and

the

internal

speak-

ers.

No

signals

are

output

to

Line

Out.

This

can

be

a

handy

function

when

you

want

to

use

the

amplifier

as

a

monitor

speaker

during

a

live

performance.

B

:

Output

is

through

the

headphones,

the

internal

speakers,

and

Line

Out.

Select

this

position

when

you

want

to

connect

a

keyboard

and

use

Channel

4

equally

with

other

channels.

PHONES

Section

10.

Volume

Knob

This

knob

adjusts

the

headphone

volume.

*

The

four

knobs

({11],

[12],

[13],

and

[14])

in

the

MASTER

CONTROL

Section

do

not

affect

the

headphone

output.

MASTER

CONTROL

Section

These

knobs

adjust

the

output

from

the

internal

speakers.

*

The

signal

output

is

mono.

11.

LOW

Knob

This

knob

cuts

or

boosts

the

low

frequencies.

Frequencies

in

this

range

are

unaffected

when

the

knob

is

set

to

"0."

12.

MIDDLE

Knob

This

knob

cuts

or

boosts

the

midrange

frequencies.

Frequencies

in

this

range

are

unaffected

when

the

knob

is

set

to

"0."

13.

HIGH

Knob

This

knob

cuts

or

boosts

the

upper

frequencies.

Frequencies

in

this

range

are

unaffected

when

the

knob

is

set

to

"0."

14.

VOLUME

Knob

This

knob

adjusts

the

overall

volume

of

the

KC-500.

LINE

OUT

Section

15.

Level

Knob

This

knob

adjusts

the

Line

Out

level.

Set

this

knob

to

the

opti-

mum

level

for

the

instrument

connected

to

the

Line

Out

jacks

(1/4"

or

XLR).

ATTACHING

AND

REMOVING

THE

CASTERS

You

can

attach

or

remove

casters

as

shown

in

the

following

figure.

Be

sure

to

remove

all

casters

when

accidental

move-

ment

may

be

dangerous

such

as

when

setting

up

the

KC-500

on

stage

or

when

transporting

it

in

a

vehicle.

*

Attaching

all

of

the

casters

can

make

it

easier

to

move

the

amplifier.

¢

You

can

use

the

KC-500

as

a

floor

monitor

by

removing

the

two

wheels

on

the

rear-panel

side

and

setting

the

amplifier

at

an

angle.

(Be

sure

it

remains

stable

when

you

do

so.)

Once

the

connections

have

been

completed,

turn

on

power

to

your

various

devices

in

the

order

specified.

By

turning

on

devices

in

the

wrong

order,

you

risk

causing

malfunction

and/or

damage

to

speakers

and

other

devices.

1.

Make

sure

that

all

volume

controls

on

the

KC-300

and

con-

nected

devices

are

set

to

0.

2.

Turn

on

the

keyboard(s)

and

sequencer

(if

you're

using

one).

3.

Turn

on

the

KC-300.

4.

If

a

mixer

is

connected

to

the

LINE

OUT

jack(s)

on

the

KC-

300,

turn

on

the

mixer.

5.

Adjust

the

volume

levels

for

the

devices.

Stereo

Link

If

two

KC-300

units

are

used,

you

can

easily

make

connections

for

stereo

output.

This

function

is

called

"Stereo

Link.”

The

right-channel

signals

are

output

from

the

speakers

in

the

main

unit,

while

the

left-channel

signals

are

output

from

the

speak-

ers

in

the

sub

unit

(the

other

KC-300).

Main

(the

right-channel

signals)

a

er

|

Tes

Cae)

AR

Latono)

ok

ee

Before

switching

off

the

power,

lower

the

volume

on

each

of

the

devices

in

your

system

and

then

TURN

OFF

the

devices

in

the

reverse

order

to

which

they

were

switched

on.

Howling

could

be

produced

depending

on

the

location

of

microphone

relative

to

speakers.

This

can

be

remedied

by:

1.

Changing

the

orientation

of

the

microphone.

2.

Relocating

microphone

at

a

greater

distance

from

speakers.

3.

Lowering

volume

levels.

Follow

the

procedure

described

below

to

connect

two

ampli-

fiers

with

a

single

audio

cable

(1/4"

phone

type).

*

Before

making

the

connections,

be

sure

that

the

volume

set-

ting

of

the

MASTER

CONTROL

Section

for

both

KC-300

amplifiers

is

set

to

"0."

Sub

(the

left-channel

signals)

Ea)

——

Reo

eas

eae)

Cee)

Keyboard

Once

the

connections

have

been

completed,

turn

on

power

to

your

various

devices

in

the

order

specified.

By

turning

on

devices

in

the

wrong

order,

you

risk

causing

malfunction

and/or

damage

to

speakers

and

other

devices.

1.

Make

sure

that

all

volume

controls

on

the

KC-300

and

con-

nected

devices

are

set

to

0.

2.

Turn

on

the

keyboard(s).

3.

Turn

on

the

main

KC-300

amplifier.

4.

Turn

on

the

sub

KC-300

amplifier.

5.

Adjust

the

volume

levels

on

all

devices.

Before

switching

off

the

power,

lower

the

volume

on

each

of

the

devices

in

your

system

and

then

TURN

OFF

the

devices

in

the

reverse

order

to

which

they

were

switched

on.

The

jacks

and

knobs

on

the

main

amplifier

work

just

like

they

do

during

normal

use,

but

the

right-channel

signals

are

out-

put

from

the

internal

speakers.

USING

A

SPEAKER

STAND

The

volume

knobs

for

the

different

channels

affect

both

the

main

and

sub

amplifiers.

On

the

sub

amplifier,

you

can

use

only

the

STEREO

LINK

IN

jack

and

the

three

knobs

in

the

MASTER

CONTROL

Section.

If

you're

using

the

Stereo

Link

function,

make

the

adjustments

described

below.

1.

Use

the

Volume

knobs

in

the

CHANNEL

CONTROL

Section

of

the

main

amplifier

to

adjust

the

volume

balance

for

each

channel.

2.

Use

the

three

knobs

in

the

MASTER

CONTROL

Section

of

both

amplifiers

to

adjust

the

main

and

sub

volume

and

tone

quality.

The

KC-300

can

be

mounted

on

a

commercially

available

speaker

stand.

If

a

speaker

stand

is

used,

the

KC-300

can

be

placed

at

a

height

ideal

for

monitoring,

and

can

also

be

used

as

a

simple

PA

system.

If

two

KC-300

units

are

placed

on

speaker

stands

and

used

with

Stereo

Link,

they

can

function

as

a

simple

100

W

+

100

W

stereo

PA

system.

6

Once

the

connections

have

been

completed,

turn

on

power

to

your

various

devices

in

the

order

specified.

By

turning

on

devices

in

the

wrong

order,

you

risk

causing

malfunction

and/or

damage

to

speakers

and

other

devices.

1.

Turn

on

the

keyboard(s).

2.

Turn

on

the

main

KC-500

amplifier.

3.

Turn

on

the

sub

KC-500

amplifier.

4,

Adjust

the

volume

levels

on

all

devices.

Before

switching

off

the

power,

lower

the

volume

on

each

of

the

devices

in

your

system

and

then

TURN

OFF

the

devices

in

the

reverse

order

to

which

they

were

switched

on.

The

jacks

and

knobs

on

the

main

amplifier

work

just

like

they

do

during

normal

use,

but

the

right-channel

signals

are

out-

put

from

the

internal

speakers.

The

volume

knobs

([8])

for

the

different

channels

affect

both

the

main

and

sub

amplifiers.

SPECIFICATIONS

Rated

Power

Output

Speaker

Out

150

W

Phone

Out

90

mW

+

90

mW

(both

channels

100

ohm

loaded)

Nominal

Input

Level

INPUT

Channel

1,2,4

-20

dBm

Channel

3

-50

dBm

STEREO

LINK

IN

0

dBm

Nominal

Output

Level

STEREO

LINK

OUT

0

dBm

LINE

OUT

+4

dBm

0

dBm

=

0.775

Vrms

Speakers

38

cm

(15

inches)

x

1

+

Horn

Tweeter

x

1

Controls

Channel

1

Volume

Knob

Channel

2

Volume

Knob

Channel

3

Volume

Knob

Channel

4

Volume

Knob

Output

Select

Knob

(Channel

4)

Phones

Volume

Knob

Low

Knob

Middle

Knob

High

Knob

Volume

Knob

Line

Out

Level

Knob

On

the

sub

amplifier,

you

can

use

only

the

STEREO

LINK

IN

jack

and

the

four

knobs

([11],

[12],

[13],

and

[14])

in

the

MAS-

TER

CONTROL

Section.

If

you're

using

the

Stereo

Link

function,

make

the

adjustments

described

below.

1.

Use

the

Volume

knobs

in

the

CHANNEL

CONTROL

Section

of

the

main

amplifier

to

adjust

the

volume

balance

for

each

channel.

2.

Use

the

four

knobs

in

the

MASTER

CONTROL

Section

of

both

amplifiers

to

adjust

the

main

and

sub

volume

and

tone

quality.

Connectors

Channel

1

Input

Jacks

(L/

MONO,

R)

Channel

2

Input

Jacks

(L/

MONO,

R)

Channel

3

Input

Jacks

(L/

MONO,

R)

Channel

4

Input

Jacks

(L/MONO,

R)

Phones

Out

Jack

STEREO

LINK

Out

Jack

STEREO

LINK

In

Jack

Line

Out

Jacks

(XLR

type

balanced

L,

R,

1/4

inch

phone

type

unbalanced

L/MONO,

R)

Power

Supply

AC

117

V,

230

V

or

240

V

Power

Consumption

125

W

Dimensions

590

(W)

x

448

(D)

x

591

(H)

mm

23-1/4

(W)

x

17-11/16

(D)

x

23-5/16

(H)

inches

Weight

31.5

kg/

69

lbs

8

oz

Accessories

Owner's

Manual

*

In

the

interest

of

product

improvement,

the

specifications

and/or

appearance

of

this

unit

are

subject

to

change

with-

out

prior

notice.

For

Europe

This

product

complies

with

the

requirements

of

European

Directives

EMC

89/336/EEC

and

LVD

73/23/EEC.

Roland?

00908956

uPC

ga90a8956

i

10982

Roland

Corporation

ons08ess

07.04.82.2.10-RAD