Roland Gc-408 User manual

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2

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Roland

s]

GC-408

OWNER'S

MANUAL

We'd

like

to

take

a

moment

to

thank

you

for

purchasing

the

Roland

GC-408

Guitar

Amplifier.

Before

using

this

unit,

carefully

read

the

sections

entitled:

"IMPORTANT

SAFETY

INSTRUCTIONS"

(page

2),

"USING

THE

UNIT

SAFELY"

(page

3),

and

“IMPORTANT

NOTES"

(page

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.

Main

Features

e

With

60

watts

of

output,

and

four

newly

developed,

20

cm

(8

inch)

custom

speakers

mounted

in

a

closed-back

cabinet,

you

are

sure

to

achieve

the

powerful

sound

you

want.

In

addition,

"Tube

Logic

Hot

Technology*"

produces

a

natural

feeling

of

drive,

long-lasting

sustain,

and

the

perfect

amount

of

compression.

The

GC-408

gives

you

deep,

tight

low-range,

and

is

sure

to

provide

the

guitar

sounds

that

you've

been

looking

for.

e

Two

channels

are

provided—Clean

and

Lead—and

you

can use

a

footswitch

to

switch

channels.

A

footswitch

can

also

be

used

to

switch

Boost

on/off

for

the

lead

channel.

e

The

Power

Squeezer

switch

lets

you

achieve

the

tone

of

a

fully-driven

power

amp

at

a

more

restrained

Power

level.

e

You

have

total

control

over

your

sound,

with

a

three

band

equalizer

optimally

tuned

for

electric

guitar,

and

a

Low

Cut

switch

and

a

Presence

control

that

modify

the

tone

in

the

power

amp

section.

The

GC-408

gives

you

an

incredible

range

of

tonal

versatility.

e

The

built-in

spring

reverb

produces

rich

and

spacious

reverberation.

A

footswitch

can

be

used

to

turn

reverb

on/off.

e

Send/Return

jacks

are

provided

for

easy

connection

of

external

effects.

Any

type

of

effect

unit,

from

compact

pedals

to

rack-mount

equipment,

can

be

connected.

e

The

external

speaker

jack

allows

a

specially

designed

GC-408S

speaker

box

(sold

separately)

to

be

stacked

with

the

GC-408.

This

gives

you

80

watts

of

output

from

a

total

of

eight

speakers,

for

even

more

dynamic

sound.

*

Tube

Logic

Hot

Technology

"Tube

Logic

Technology"

reproduces

the

warm

tone,

creamy

overdrive

sound,

and

sensitive

response

to

the

nuances

of

your

playing

that

are

characteristic

of

vintage

tube

amps.

Roland's

analog

circuitry

technology

has

now

taken

this

one

step

further,

to

logically

reproduce

even

the

distortion

characteristics

and

dynamics

of

a

fully

driven

vacuum

tube

pre-amp

and

power

amp.

Copyright

©

1997

ROLAND

CORPORATION

All

rights

reserved.

No

part

of

this

publication

may

be

reproduced

in

any

form

without

the

written

permission

of

ROLAND

CORPORATION.

CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

A

A

ATTENTION:

aisque

DE

cHoc

ELECTRIQUE

NE

PAS

OUVRIR

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

`

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

within

the

product's

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

A

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

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:

—

Read

all

the

instructions

before

using

the

product.

.

Do

not

use

this

product

near

water

—

for

example,

near

a

bathtub,

washbowl,

kitchen

sink,

in

a

wet

basement,

or

near

a

swimming

pool,

or

the

like.

.

This

product

should

be

used

only

with

a

cart

or

stand

that

is

recommended

by

the

manufacturer.

.

This

product,

either

alone

or

in

combination

with

an

amplifier

and

headphones

or

speakers,

may

be

capable

of

producing

sound

levels

that

could

cause

permanent

hearing

loss.

Do

not

operate

for

a

long

period

of

time

at

a

high

volume

level

or

at

a

level

that

is

uncomfortable.

If

you

experience

any

hearing

loss

or

ringing

in

the

ears,

you

should

consult

an

audiologist.

.

The

product

should

be

located

so

that

its

location

or

position

does

not

interfere

with

its

proper

ventilation.

.

The

product

should

be

located

away

from

heat

sources

such

as

radiators,

heat

registers,

or

other

products

that

produce

heat.

.

The

product

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

product.

M

wo

D

o

©

N

electric

current

to

reduce

the

risk

of

electric

shock.

electrician.

WARNING:

THIS

APPARATUS

MUST

BE

EARTHED

GROUNDING

INSTRUCTIONS

This

product

must

be

grounded.

If

it

should

malfunction

or

breakdown,

grounding

provides

a

path

of

least

resistance

for

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

8.

The

power-supply

cord

of

the

product

should

be

unplugged

from

the

outlet

when

left

unused

for

a

long

period

of

time.

9.

Care

should

be

taken

so

that

objects

do

not

fall

and

liquids

are

not

spilled

into

the

enclosure

through

openings.

10.The

product

should

be

serviced

by

qualified

service

personnel

when:

A.

The

power-supply

cord

or

the

plug

has

been

damaged;

or

B.

Objects

have

fallen,

or

liquid

has

been

spilled

onto

the

product;

or

C.

The

product

has

been

exposed

to

rain;

or

D.

The

product

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance;

or

E.

The

product

has

been

dropped,

or

the

enclosure

damaged.

11.Do

not

attempt

to

service

the

product

beyond

that

described

in

the

user-maintenance

instructions.

All

other

servicing

should

be

referred

to

qualified

service

personnel.

For

the

USA

For

the

U.K.

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

4\

WARNING

and

Z\

CAUTION

Notices

Used

for

instructions

intended

to

alert

the

user

to

the

risk

of

death

or

severe

injury

should

the

unit

be

used

improperly.

/NWARNING

Used

for

instructions

intended

to

alert

the

user

to

the

risk

of

injury

or

material

damage

should

the

unit

be

used

improperly.

ÁA

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.

e

Before

using

this

unit,

make

sure

to

read

the

A

instructions

below,

and

the

Owner's

Manual.

e

Do

not

open

or

perform

any

internal

modifications

©

on

the

unit.

e

Make

sure

you

always

have

the

unit

placed

so

it

is

Q

level

and

sure

to

remain

stable.

Never

place

it

on

stands

that

could

wobble,

or

on

inclined

surfaces.

e

Avoid

damaging

the

pewer

cord.

Do

not

bend

it

S

excessively,

step

on

it,

place

heavy

objects

on

it,

etc.

A

damaged

cord

can

easily

become

a

shock

or

fire

hazard.

Never

use

a

power

cord

after

it

has

been

damaged.

e

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.

e

Protect

the

unit

from

strong

impact.

(Do

not

drop

it!)

e

Do

not

force

the

unit's

power-supply

cord

to

share

SO

an

outlet

with

an

unreasonable

number

of

other

devices.

Be

especially

careful

when

using

extension

cords—the

total

power

used

by

all

devices

you

have

connected

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.

e

Before

using

the

unit

in

a

foreign

country,

consult

A

with

your

retailer,

the

nearest

Roland

Service

Center,

or

an

authorized

Roland

distributor,

as

list-

ed

on

the

"Information"

page.

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.

A

CAUTION

e

Always

grasp

only

the

plug

on

the

power-supply

cord

when

plugging

into,

or

unplugging

from

an

outlet.

e

Try

to

prevent

cords

and

cables

from

becoming

entangled.

Also,

all

cords

and

cables

should

be

placed

so

they

are

out

of

the

reach

of

children.

e

Never

climb

on

top

of,

nor

place

heavy

objects

on

S

the

unit.

e

Never

handle

the

power

cord

or

its

plug

with

wet

SO

hands

when

plugging

into,

or

unplugging

from,

an

outlet.

e

Before

moving

the

unit,

disconnect

the

power

plug

fæ.

from

the

outlet,

and

pull

out

all

cords

from

external

devices.

e

Before

cleaning

the

unit,

turn

off

the

power

and

unplug

the

power

cord

from

the

outlet

(page

5).

e

Whenever

you

suspect

the

possibility

of

lightning

Aa”

in

your

area,

pull

the

plug

on

the

power

cord

out

of

<5

the

outlet.

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).

e

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

reception.

Do

not

use

this

device

in

the

vicinity

of

such

receivers.

*

Do

not

expose

the

unit

to

direct

sunlight,

place

it

near

devices

that

radiate

heat,

leave

it

inside

an

enclosed

vehicle,

or

otherwise

subject

it

to

temperature

extremes.

Excessive

heat

can

deform

or

discolor

the

unit.

This

unit

contains

powerful

magnets.

If

placed

in

the

vicinity

of

TVs,

it

may

cause

interference

(irregularities

in

color).

Should

this

occur,

reposition

this

unit

so

it

is

located

at

a

greater

distance

from

such

devices.

PANEL

DESCRIPTIONS

CONTROLS

(FRONT

PANEL)

shan

VOLUME

ala

lä

BOOST

mev

vi

ei

VOL

Maintenance

e

For

everyday

cleaning

wipe

the

unit

with

a

soft,

dry

cloth

or

one

that

has

been

slightly

dampened

with

water.

To

remove

stubborn

dirt,

use

a

cloth

impregnated

with

a

mild,

non-

abrasive

detergent.

Afterwards,

be

sure

to

wipe

the

unit

thoroughly

with

a

soft,

dry

cloth.

e

Never

use

benzene,

thinners,

alcohol

or

solvents

of

any

kind,

to

avoid

the

possibility

of

discoloration

and/or

deformation.

Additional

Precautions

e

Use

a

reasonable

amount

of

care

when

using

the

unit's

buttons,

sliders,

or

other

controls;

and

when

using

its

jacks

and

connectors.

Rough

handling

can

lead

to

malfunctions.

e

When

connecting

/

disconnecting

all

cables,

grasp

the

connector

itself—never

pull

on

the

cable.

This

way

you

will

avoid

causing

shorts,

or

damage

to

the

cable's

internal

elements.

¢

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

(especially

when

it

is

late

at

night).

e

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.

REVERS

PRESENCE

ow

ae

JACKS

(REAR

PANEL)

9

10

11

12131415

16

fe

CS

036

{

ramiz

alr

=

Dy

=

>

€

>

¢

er

=

>

»

SS

İİ

=

Şe

dem)

EXTERNAL

FOOT

SW.

‘SP

OUT

A

SEND

REVERB

=

BOOST

CH

SELECT

CAUTION

(a

ee

moc]

DE

esse

area)

WARNING:

17

18

val

19

20

21

1.

Input

Jacks

Connect

your

instrument

either

to

the

HIGH

or

LOW

jack,

as

appropriate

for

the

output

level

of

your

guitar.

Conventional

guitars

should

be

connected

to

HIGH,

and

high-output

instruments

to

LOW.

*

To

prevent

malfunction

and/or

damage

to

speakers

or

other

devices,

always

turn

down

the

volume,

and

turn

off

the

power

on

all

devices

before

making

any

connections.

2.

Channel

Select

Switch

This

selects

either

the

Clean

channel

or

the

Lead

channel.

The

selected

channel

is

shown

by

the

indicator

color

(Clean:

green;

Lead:

red).

The

channel

can

also

be

switched

using

an

optional

footswitch.

If

you

use

a

Boss

FS-5L

footswitch

(optional),

which

has

an

indicator,

the

footswitch

will

also

provide

a

visual

indication

of

the

selected

channel.

*

When

a

footswitch

is

connected,

the

Channel

Select

switch

on

the

front

panel

will

not

function.

*

In

some

cases,

a

slight

noise

may

occur

when

the

channel

is

switched.

Clean

Channel

3.

Bright

Switch

This

adds

sparkle

to

the

mid

to

high

range,

making

the

sound

crisper.

This

is

especially

effective

for

rhythm,

etc.

4.

Volume

This

adjusts

the

volume

of

the

clean

channel.

Lead

Channel

5.

Boost

Switch

This

boosts

the

lead

sound

to

give

it

more

body

and

edge.

This

can

also

be

switched

on/off

using

a

Boss

FS-5L

footswitch

(optional).

*

When

a

footswitch

is

connected,

the

Boost

switch

on

the

front

panel

will

not

function.

*

The

more

that

the

Pre

Volume

is

raised,

the

lesser

the

amount

of

change

obtained

when

the

Boost

Switch

is

pressed.

6.

Pre

Volume

This

adjusts

the

degree

of

distortion

for

the

lead

sound.

Used

in

conjunction

with

the

Boost

switch,

this

gives

you

a

wide

range

of

sounds

from

"crunch"

to

high-gain

distortion.

7.

Post

Volume

This

adjusts

the

volume

of

the

lead

channel.

Equalizer

8.

Bass

Adjusts

the

tone

of

the

low

range.

9.

Middle

Adjusts

the

tone

of

the

mid

range.

10.

Treble

Adjusts

the

tone

of

the

high

range.

Master

11.

Reverb

This

adjusts

the

volume

of

the

reverb.

If

you

connect

a

Boss

FS-

5L

footswitch

(optional),

the

reverb

can

be

switched

on/off

from

the

footswitch.

*

If

the

reverb

is

turned

down,

there

will

be

no

reverb

effect

even

if

the

footswitch

is

on.

12.

Presence

This

gives

sparkling

definition

to

the

mid

and

high

range.

Use

it

when

you

want

to

make

the

sound

crisper.

13.

Low

Cut

Switch

This

cuts

the

low

range,

tightening

up

the

sound

and

giving

it

more

cohesion.

e

Power

Squeezer

(14,

15)

The

Power

Squeezer

function

allows

you

to

achieve

the

tone

normally

associated

with

a

power

amp

driven

at

full

volume,

while

reducing

the

actual

power

to

a

manageable

level.

It

provides

a

convenient

way

to

get

the

sound

of

power

amp

distortion.

14.

Squeeze

Level

Switch

When

the

Power

Squeezer

switch

is

in

the

ACTIVE

position,

this

selects

the

amount

by

which

the

output

of

the

power

amp

will

be

attenuated.

50%:

reduce

the

power

by

50%

80%:

reduce

the

power

by

80%

*

At

low

volumes,

operating

the

Squeeze

Level

switch

will

not

cause

a

noticeable

difference

in

the

volume.

This

is

normal

and

does

not

indicate

a

malfunction.

15.

Power

Squeezer

Switch

When

this

switch

is

in

the

ACTIVE

position,

the

Power

Squeezer

function

will

operate.

16.

Power

Switch

This

turns

the

power

on/off.

When

it

is

on,

the

switch

will

light.

*

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.

External

Effects

Device

->

GC-408

*

This

unit

is

equipped

with

a

protection

circuit.

A

brief

interval

(a

few

seconds)

after

power

up

is

required

before

the

unit

will

operate

normally.

17.

External

Speaker

Jack

A

specially-designed

GC-4085

external

speaker

box

(optional)

can

be

connected

to

this

jack.

This

provides

80

W

of

output

power.

If

you

wish

to

connect

a

different

external

speaker,

make

sure

that

the

impedance

is

8

Q

or

more.

18.

Effect

Send/Return

Jacks

These

jacks

are

used

when

connecting

external

effects.

Connect

the

Effect

Send

jack

to

the

input

of

your

external

effect

device,

and

connect

the

output

of

the

external

effect

to

the

Effect

Return

jack.

19.

Footswitch

Jack

(Reverb)

A

footswitch

such

as

a

Boss

FS-5L

(optional)

can

be

connected

here

to

switch

Reverb

on/off.

20.

Footswitch

Jack

(Boost)

A

footswitch

such

as

a

Boss

FS-5L

(optional)

can

be

connected

here

to

switch

Boost

on/off.

21.

Footswitch

Jack

(Channel

Select)

A

footswitch

such

as

a

Boss

FS-5L

(optional)

can

be

connected

here

to

switch

channels.

Example

of

connecting

external

Stack

connection

with

a

GC-408S

effects

to

the

GC-408

Use

the

cable

included

with

the

GC-408S

to

make

connections

, .

as

shown

in

the

diagram.

By

connecting

effects

such

as

delay

or

chorus

as

shown

in

the

8

diagram,

you

can

apply

the

effects

to

the

sound

after

it

has

been

distorted

by

the

pre-amp.

[Fe

7

0000

Pewee

OUTPUT

1

|

>

|

Speaker

Box

a

<=—

GC-408S

Ni

i

(Optional)

(INPUT

i

5

k=

—

(Front

view)

(Back

view)

*

The

jack

on

the

GC-408S

is

designed

solely

for

the

GC-408

guitar

amp.

*

Do

not

place

this

amplifier

on

unstable

stands,

or

on

inclined

surfaces.

Be

sure

to

place

it

only

on

level

surfaces

where

it

is

sure

to

remain

stable.

Setting

Examples

*

Reverb

Knob:

Adjust

reverb

level

as

your

taste.

CLEAN

RHYTHM:

A

dazzling

rhythm

sound

obtained

through

the

Bright

switch

and

Presence

control.

LEAD

BOOST

PREVOL

O

POST

VOL

‘Tuned

by

Roland

Audio

Development

Corp.,

California,

USA

CLEAN

ON

BLUES:

A

power

amp

crunch

sound,

accentuated

by

the

natural

sounding

distortion

that

the

Power

Squeezer

produces.

BOOST

mev

A

noer,

voL

a

il

=

m.

e.

ACTIVE

CLEAN

OFF

ON

80%

Tuned

by

Roland

Audio

Dovelopment

Corp.,

Califonia,

US.A.

ROCK:

Straight

rock

guitar

sound

often

used

by

60's

and

70's

blues-based

rock

guitarists.

tube

Logic”

Tween

CH

SEL

san

You

Boost

metal

POST

VOL

REVERB

PRESENCE

gi

uma

A

anan

SQUEEZE

——

ETE

METERNE

Tüned

by

Roland

Audio

Development

Corp.,

Calitomi

=

LEAD

OFF

OFF

METAL:

A

metal

sound

with

really

deep

bass,

and

a

reduced

midrange.

REVERB

PRESENCE

=

op

ea

err

ae

LEAD

ON

Specification

Rated

Power

Output

EW

/80

80

W

/

4

Q

(When

the

speaker

box

GC-4085S

is

connected.)

Nominal

Input

Level

@1

kHz

CLEAN

Channel

INPUT

HIGH

-36

dBm

/

680

kQ

INPUT

LOW

-26

dBm

/

100

kQ

LEAD

Channel

INPUT

HIGH

-65

dBm

/

680

kQ

INPUT

LOW

-55

dBm

/

100

kQ

0

dBm

=

0.775

Vrms

Speakers

20

cm

(8

inches)

x

4

Controls

CHANNEL

SELECT

Switch

CLEAN

Channel

BRIGHT

Switch

VOLUME

Knob

LEAD

Channel

BOOST

Switch

PRE

VOLUME

Knob

POST

VOLUME

Knob

EQUALIZER

BASS

Knob

MIDDLE

Knob

TREBLE

Knob

MASTER

REVERB

Knob

PRESENCE

Knob

LOW

CUT

Switch

SQUEEZE

LEVEL

Switch

POWER

SQUEEZER

Switch

POWER

Switch

(w/Indicator)

€

€

This

product

complies

with

the

requirements

of

European

Directives

EMC

89/336/EEC

and

LVD

73/23/EEC.

Indicators

CLEAN

Channel

LEAD

Channel

Connectors

INPUT

Jack

(HIGH,

LOW)

FOOT

SWICH

Jack

(CHANNEL

SELECT,

BOOST,

REVERB)

EFFECT

SEND

Jack

EFFECT

RETURN

Jack

EXTERNAL

SP

OUT

Jack

Power

Supply

AC

117

V,

230

V

or

240

V

Power

Consumption

85W

Dimensions

561

(W)

x

316

(D)

x

576

(H)

mm

22-1/8

(W)

x

12-1/2

(D)

x

22-11/16

(H)

inches

Weight

20.6

kg

/

45

lbs

7

oz

Accessories

Owner's

Manual

Options

Footswitch

FS-5L

(BOSS)

External

speaker

box

GC-4085

*

In

the

interest

of

product

improvement,

the

specifications

and/or

appearance

of

this

unit

are

subject

to

change

without

prior

notice.

For

EU

Countries

Information

When

you

need

repair

service,

call

shown

below.

ARGENTINA

Instrumentos

Musicales

S.A.

Florida

638

(1005)

Buenos

Aires

ARGENTINA

TEL:

(01)

394

4029

BRAZIL

Roland

Brasil

Ltda.

R.

Coronel

Octaviano

da

Silveira

203

05522-010

Sao

Paulo

BRAZIL

TEL:

(011)

843

9377

CANADA

Roland

Canada

Music

Ltd.

(Head

Office)

5480

Parkwood

Way

Richmond

B.

C.,

V6V 2M4

CANADA

TEL:

(0604)

270

6626

Roland

Canada

Music

Ltd.

(Toronto

Office)

Unit

2,

109

Woodbine

Downs

Blvd,

Etobicoke,

ON

M9W

6Y1

CANADA

TEL:

(0416)

213

9707

MEXICO

Casa

Veerkamp,

s.a.

de

c.v.

Av.

Toluca

No.

323

Col.

Olivar

de

los

Padres

01780

Mexico

D.F.

MEXICO

TEL:

(525)

668

04 80

La

Casa

Wagner

de

Guadalajara

s.a.

de

c.v.

Av.

Corona

No.

202

S.J.

Guadalajara,

Jalisco

Mexico

C.P.44100

MEXICO

TEL:

(03)

613

1414

PANAMA

Productos

Superiores,

S.A.

Apartado

655

-

Panama

1

REP.

DE

PANAMA

TEL:

26

3322

U.S.A.

Roland

Corporation

U.S.

7200

Dominion

Circle

Los

Angeles,

CA.

90040-3696,

U.S.

A.

TEL:

(0213)

685

5141

VENEZUELA

Musicland

Digital

C.A.

Av.

Francisco

de

Miranda,

Centro

Parque

de

Cristal,

Nivel

C2

Local

20

Caracas

VENEZUELA

TEL:

(02)

285

9218

AUSTRALIA

Roland

Corporation

Australia

Pty.

Ltd.

38

Campbell

Avenue

Dee

Why

West.

NSW

2099

AUSTRALIA

TEL:

(02)

982

8266

NEW

ZEALAND

Roland

Corporation

(NZ)

Ltd.

97

Mt.

Eden

Road,

Mt.

Eden,

Auckland

3,

NEW

ZEALAND

TEL:

(09)

3098

715

CHINA

Beijing

Xinghai

Musical

Instruments

Co.,

Ltd.

2

Huangmuchang

Chao

Yang

District,

Beijing,

CHINA

TEL:

(010)

6774

7491

HONG

KONG

Tom

Lee

Music

Co.,

Ltd.

Service

Division

22-32

Pun

Shan

Street,

Tsuen

Wan,

New

Territories,

HONG

KONG

TEL:

2415

0911

Roland

Corporation

INDONESIA

PT

Galestra

Inti

Kompleks

Perkantoran

Duta

Merlin

Blok

E

No.6—7

Ji.

Gajah

Mada

No.3—5,

Jakarta

10130,

INDONESİA

TEL:

(021)

6335416

KOREA

Cosmos

Corporation

Service

Station

261

2nd

Floor

Nak-Won

Arcade

Jong-Ro

ku,

Seoul,

KOREA

TEL:

(02)

742

8844

MALAYSIA

Bentley

Music

SDN

BHD

No.142,

Jalan

Bukit

Bintang

55100

Kuala

Lumpur,

MALAYSIA

TEL:

(03)

2443333

PHILIPPINES

G.A.

Yupangco

&

Co.

Inc.

339

Gil

J.

Puyat

Avenue

Makati,

Metro

Manila

1200,

PHILIPPINES

TEL:

(02)

899

9801

SINGAPORE

Swee

Lee

Company

BLOCK

231,

Bain

Street

#03-23

Bras

Basah

Complex,

SINGAPORE

0718

TEL:

3367886

CRISTOFORI

MUSIC

PTE

LTD

335,

Joo

Chiat

Road

SINGAPORE

1542

TEL:

3450435

TAIWAN

ROLAND

TAIWAN

ENTERPRISE

CO.,

LTD.

Room

5,

9fl.

No.

112

Chung

Shan

N.Road

Sec.2,

Taipei,

TAIWAN,

R.O.C.

TEL:

(02)

561

3339

THAILAND

Theera

Music

Co.

,

Ltd.

330

Verng

Nakorn

Kasem,

Soi

2,

Bangkok

10100,

THAILAND

TEL:

(02)

2248821

BAHRAIN

Moon

Stores

Bad

Al

Bahrain

Road,

P.O.Box

20077

State

of

BAHRAIN

TEL:

211

005

IRAN

TARADIS

Mir

Emad

Ave.

No.

15,

10th

street

P.O.

Box

15875/4171

Teheran,

IRAN

TEL:

(021)

875

6524

ISRAEL

Halilit

P.

Greenspoon

&

Sons

Ltd.

8

Retzif

Ha'aliya

Hashnya

St.

Tel-Aviv-Yafo

ISRAEL

TEL:

(03)

6823666

JORDAN

AMMAN

Trading

Agency

Prince

Mohammed

St.

P.

O.

Box

825

Amman

11118

JORDAN

TEL:

(06)

641200

KUWAIT

Easa

Husain

Al-Yousifi

P.O.

Box

126

Safat

13002

KUWAIT

TEL:

5719499

LEBANON

A.

Chahine

&

Fils

P.O.

Box

16-5857

Gergi

Zeidan

St.

Chahine

Building,

Achrafieh

Beirut,

LEBANON

TEL:

(01)

335799

OMAN

OHI

Electronics

&

Trading

Co.

LLC

P.

O.

Box

889

Muscat

Sultanate

of

OMAN

TEL:

706

010

QATAR

Badie

Studio

&

Stores

P.O.Box

62,

DOHA

QATAR

TEL:

423554

SAUDI

ARABIA

Abdul

Latif

S.

Al-Ghamdi

Trading

Establishment

Middle

East

Commercial

Center

Al-Khobar

Dharan

Highway

W/hamood

st.

P.

O.

Box

3631

Al-Khober

31952

SAUDIARABIA

TEL:

(03)

898

2332

SYRIA

Technical

Light

&

Sound

Center

Khaled

Ebn

Al

Walid

St.

P.O.Box

13520

Damascus

-

SYRIA

TEL:

(011)

2235

384

TURKEY

Barkat

Sanayi

ve

Ticaret

Siraselvier

Cad.

Guney

Ishani

No.

86/6

Taksim,

Istanbul

TURKEY

TEL:

(0212)

2499324

U.A.E

Zak

Electronics

&

Musical

Instruments

Co.

Zabeel

Road,

Al

Sheroog

Bldg.,

No.

14,

Grand

Floor

DUBAI

U.A.E.

P.O.

Box

8050DUBAI,

U.A.E

TEL:

(04)

360715

EGYPT

Al

Fanny

Trading

Office

9,

Ebn

Hagar

Ai

Askalany

Street,

Ard

El

Golf,

Heliopolis,

Cairo,

11341

EGYPT

TEL:

(02)

4171828

(02)

4185531

KENYA

Musik

Land

Limited

P.O

Box

12183

Moi

Avenue

Nairobi

Republic

of

KENYA

TEL:

(2)

338

346

REUNION

FO

-

YAM

Marcel

25

Rue

Jules

MermanZL

Chaudron

-

BP79

97491

Ste

Clotilde

REUNION

TEL:

28

29

16

SOUTH

AFRICA

That

Other

Music

Shop

(PTY)

Ltd.

11

Melle

Street

(Cnr

Melle

and

Juta

Street)

Braamfontein

2001

Republic

of

SOUTH

AFRICA

TEL:

(011)

403

4105

Paul

Bothner

(PTY)

Ltd.

17

Werdmuller

Centre

Claremont

7700

Republic

of

SOUTH

AFRICA

TEL:

(021)

64

4030

AUSTRIA

E.

Dematte

&Co.

*

Neu-Rum

Siemens-Strasse

4

A-6040

Innsbruck

P.O.Box

83

AUSTRIA

TEL:

(0512)

26

44

260

BELGIUM/HOLLAND/

LUXEMBOURG

Roland

Benelux

N. V.

Houtstraat

1

B-2260 Oevel-

Westerlo

BELGIUM

TEL:

(014)

575811

BELORUSSIA

TUSHE

UL.

Rabkorovskaya

17

220001

MINSK

TEL:

(0172)

764-911

CYPRUS

Radex

Sound

Equipment

Ltd.

17

Diagorou

St.,

P.O.Box

2046,

Nicosia

CYPRUS

TEL:

(02)

453

426

(02)

466

423

DENMARK

Roland

Scandinavia

A/S

Langebrogade

6

Post

Box

1937

DK-1023

Copenhagen

K.

DENMARK

TEL:32953111

FRANCE

MUSIKENGRO

Zac

de

Folliouses

01706

Les

Echets

Miribel

FRANCE

TEL:

472

26

2700

FINLAND

Roland

Scandinavia

As,

Filial

Finland

Lauttasaarentie

54

B

Fin-00201

Helsinki,

FINLAND

P.

O.

Box

No.

109

TEL:

(0)

682

4020

GERMANY

Roland

Elektronische

Musikinstrumente

Handelsgesellschaft

mbH.

Oststrasse

96,

22844

Norderstedt,

GERMANY

TEL:

(040)

52

60090

GREECE

V.

Dimitriadis

&

Co.

Ltd.

20,

Alexandras

St.

&

Bouboulinas

54

St.

106

82

Athens,

GREECE

TEL:

(01)

8232415

HUNGARY

Intermusica

Ltd.

Warehouse

Area

‘DEPO’

Pf.83

H-2046

Torokbalint,

HUNGARY

TEL:

(23)

338

041

IRELAND

The

Dublin

Service

Centre

Audio

Maintenance

Limited

11

Brunswick

Place

Dublin

2

Republic

of

IRELAND

TEL:

(01)

677322

ITALY

Roland

Italy

S.

p.

A.

Viale

delle

Industrie,

8

20020

Arese

Milano,

ITALY

TEL:

(02)

93581311

NORWAY

Roland

Scandinavia

Avd.

Kontor

Norge

Lilleakerveien

2

Postboks

95

Lilleaker

N-0216

Oslo

NORWAY

TEL:

273

0074

POLAND

P.

P.

H.

Brzostowicz

Marian

UL.

Blokowa

32,

03624

Warszawa

POLAND

TEL:

(022)

679

44

19

PORTUGAL

Caius

-

Tecnologias

Audio

e

Musica

,

Lda.

Rue

de

Catarina

131

4000

Porto,

PORTUGAL

TEL:

(02)

38

4456

RUSSIA

Slami

Music

Company

Sadojava-Triumfalnaja

st.,

16

103006

Moscow,

RUSSIA

TEL:

095

209

2193

your

nearest

Roland

Service

Center

or

authorized

Roland

distributor

in

your

country

as

SPAIN

Roland

Electronics

de

Espaiia,

S.

A.

Calle

Bolivia

239

08020

Barcelona,

SPAIN

TEL:

(93)

308

1000

SWEDEN

Roland

Scandinavia

A/S

Danvik

Center

28

A,

2

tr.

S-131

30

Nacka

SWEDEN

TEL:

(08)

702

0020

SWITZERLAND

Roland

(Switzerland)

AG

Musitronic

AG

Gerberstrasse

5,

CH-4410

Liestal,

SWITZERLAND

TEL:

(061)

921

1615

UKRAINE

TIC-TAC

Mira

Str,

19/108

P.O.Box

180

295400

Munkachevo,

UKRAINE

TEL:

(03131)

414-40

UNITED

KINGDOM

Roland

(U.K.)

Ltd.,

Swansea

Office

Atlantic

Close,

Swansea

Enterprise

Park

SWANSEA.

West

Glamorgan

SA7

9FJ,

UNITED

KINGDOM

TEL:

(01792)

702701

As

of

June,

12,

1997

SS000103

97-8-C3-11SH

801-929

Roland’

$$000103

$s000103

Roland