Laney BC Series Bedienungsanleitung

Laney

SERIES

BASS

AMPLIFICATION

USER

MANUAL

MARCH

1994

MODELS

BC30

BC50

BC5015

BC75

BC120

Laney

INTRODUCTION

Congratulations

your

decision

purchase

laney

amplifier.

Laney

products

are

designed

with

ease

operation

primary

objective,

however

ensure

you

derive

the

best

from

your

new

amplifier,

important

you

take

some

time

read

this

user

manual

and

firstly

familiarise

yourself

with

the

control

functions

and

facilities

available.

BEFORE

SWITCHING

After

unpacking

your

amplifier

check

that

factory

fitted

with

three

'grounded'

(or

earthed)

plug.

Before

plugging

into

the

power

supply

ensure

you

are

connecting

grounded

(earthed)

outlet.

you

should

wish

change

the

factory

fitted

plug

yourself,

ensure

that

the

wiring

convention

applicable

the

country

where

the

amplifier

used

sfrictlv

conformed

to.

example

the

United

Kingdom

the

cable

colour

code

for

connections

are

follows.

EARTH

GROUND

GREEN/YELLOW

NEUTRAL

BLUE

LIVE

BROWN

GENERAL

INFORMATION

Amplifiers

should

never

exposed

moisture

wetness

under

any

circumstances

since

this

would

present

possible

shock

fire

hazard,

and

may

cause

possible

damage

your

new

and

valuable

aquasition.

the

unlikely

event

that

fuse

should

blow

imperative

that

you

your

engineer,

use

correctly

rated

replacement.

Details

the

fuse

required

printed

the

rear

panel

your

amplifier

the

chassis

adjacent

the

failed

fuse.

USING

THIS

MANUAL

This

manual

has

been

written

for

easy

access

information.

The

front

and

rear

panels

each

unit

are

graphically

illustrated,

with

each

control

facility

numbered.

For

description

the

function

each

control

facility

simple

check

each

number

with

the

glossary

terms

given

later

the

manual.

MODEL:

BC30

PREAMPLIFIER

0000000O

MODEL:

BC30

(Confd)

REAR

PANEL

MODEL:

BC50

PREAMPLIFIER

ACM

PASSIVE

fo|

<fo5

CAIN

■

NPUT-

BASS

MIMEP

MIDGAIN

TREBLE

BRIGHT

□

EQUALIZATION

VOLUME

POWER

—

MASTER-

REAR

PANEL

(NOT

USA}

REAR

PANEL

(USA

ONLY)

MODEL

BC75

PREAMPLIFIER

ACTIVE

PASSIVE

GAIN

■

PUT-

BASS

BRIGHT

□

TREBLE

mmm

■

VOLUME

■

Si-

POVVER

.okct.

tUECT

REAR

PANEL

(NOT

USA)

MODEL

BC75

(Confd)

REAR

PANEL

(USA

ONLY)

[(d)}

{fo}

;

f(o)>

((O)

□

MODEL

BC120

PREAMPLIFIER

pppppp©

REAR

PANEL

[NOT

USA)

REAR

PANEL

(USA

ONLY)

Explanation

Terms

Series

Amplifiers

PREAMPLIFIER

CONTROLS

INPUT

Input

jack

for

instrument.

ACTIVE

Input

jack

for

active

high

output

instruments

such

those

with

built

preamplifiers..

PASSIVE

Input

jack

for

most

passive

instruments,

lie

those

without

built

preamplifier}

GAIN

Sets

the

overall

gain

the

amplifier

suit

the

instrument

being

used,

set

high

possible

without

distortion,

then

adjust

the

volume

suit.

May

need

resetting

after

changes.

BASS

Sets

the

bass

frequency

response.

MIDDLE

5ets

the

middle

frequency

response.

TREBLE

Sets

the

high

frequency

response.

MIDSWEEP

Sweeps

the

middle

frequencies,

for

mid

move

anticlockwise

and

for

mid

clockwise,

(use

with

MIDGAIN

Sets

the

gain

the

middle

frequencies,

for

mid

cut

move

anticlockwise

and

for

mid

boost

clockwise.

GRAPHIC

Six

band

graphic

equaliser,

use

set

the

middle

frequencies.

For

best

sounds

set

sliders

gradual

curves

and

avoid

extremes.

COMPRESSOR

Compresses

the

input

signal,

giving

punchier

sound.

Use

conjunction

with

gain

control

Boosts

the

high

frequencies.

Boosts

the

extreme

low

frequencies,

especially

useful

string

bass

guitars.

BRIGHT

Adds

brightness

the

EQ.

VOLUME

Sets

the

overall

listening

level

the

amplifier.

LED

indicates

power

on.

DIRECT

INJECT

Stereo

1/4"

Jack

socket

for

direct

injection

the

amplifier

signal

mixing

desk

power

amplifier.

This

provides

low

impedance

output

signal.

(Balanced

output,

sleeve:

ground,

tip:

hot,

ring:

cold.

DIRECT

INJECT

XLR

socket

for

direct

injection

the

amplifier

signal

mixing

desk

power

amplifier.

This

provides

low

impedance

output

signal.

(balanced

output,

ground,

hot,

cold

REAR

PANEL

SUPPLY

Mains/power

lead

with

factory

fitted

plug.

FUSE

Mains/power

fuse.

Replace

only

with

correct

type

and

rating.

POWER

Mains/power

on/off

switch.

Explanation

Terms

Series

Amplifiers

REAR

PANEL

(Confd)

HEADPHONES

Headphone

output

for

silent

listening,

practice

tuning

up.

For

models:

BC30

and

BC50

simply

piug

the

headphones

and

the

board

speakers

will

automatically

disconnected.

For

all

other

models

you

must

physically

unplug

the

speaker

jack.

NB:

remember

reconnect

the

speaker

after

headphone

use.

SPEAKER

Speaker

output.

This

May

disconnected

required

connect

larger

enclosure.

NB:

Minimum

load

impedance

ohm.

RETURN

Effects

return,

accepts

Ihe

output

external

effects

processor.

(signal

level

nominal

-6dB)

SEND

Effects

send,

sends

the

preamplifier

signal

external

effects

processor

required,

(

signal

level

nominal

-6dB)

MAINS

DI/UNE

Mains/power

input

socket.

Direct

injection

line

level

1/4"

mono

jack

socket.

This

provides

tow

impedance

output

signal

for

connecting

mixing

desk

power

amplifier

for

further

sound

reinforcement.

MAINS

Mains/power

input

socket

with

combination

fuse

carrier.

When

replacing

the

fuse,

ensure

that

the

replacement

similar

value.

The

correct

fuse

value

marked

adjacent

the

carrier.

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