Operation Manual

ManualsBrandsBluetech ManualsAmplifierMA series

8

9

FRONT

&

REAR CONNECTIONS

(MA900-MA1200)

FRONT

PANEL

1.

POWER SWITCH

To

turn

the

unit

ON

or

OFF, press

the

upper

or

lower

portion

of

Ihis

button. Before turning

on the

amplifier, check

all

connections

and

turn

down

the

level controls.

A

momentary muting

is

normal

when

turning

the

amplifier

on or

off.

(Caution:

Always

turn

on

your power amplifier last, after

all

your

other

connected

equipment,

and

always turn

off

your power

2.

POWER

LED

INDICATORS

These

LEDs illuminate when

the

power

is

turned "ON".

3.

CLIP

LED

INDICATORS

These

LEDs illuminate

if any

secti

output

are

witnin

3dB of

clipping. Occasional blinking

i

are

acceptable,

but if

they remain

on

more than

interm

should

turn down either

the

power amplifier's level

i

reduce

ihe

output level

of the

preceding component

to

avoid

audible

distortion.

4.

SIGNAL

LED

INDICATORS

These

LEDs illuminate

to

confirm

the

presence

of an

input

signal

greater than

100

mV

at

that channel

of the

amplifier

5.

PROTECT

LED

INDICATORS

is

shorted

,

the

load impedance

is

too

low.

Or

ifthere

is an

internal

and

check

the

output's

connection

to

verify

that

it

is

correct, then

turn

ON the

power again.

6.

LEVEL CONTROLS

These

control

the

level

of

signal

coming into each channel.

The

actual

voltage

attenuation

of the

amplifier

is

shown

in dB.

Turn these

7.

BRIDGE

LED

INDICATORS

These

LEDs illuminate when

the

MODE

is

turned "BRIDGE",

8.

PARALLEL

LED

INDICATORS

These

LEDs illuminate when

the

MODE

is

turned

"PARALLEL".

REAR

PANEL

9.

POWER CONNECTOR

your

power

amplifier.

(CAUTION

:

Always

operate

the

unit

with

the AC

ground

wire

connected

to the

electrical

systerr

10.

FUSE

Fuse holders

for

20A/250V

fuses.

If

these

fuses

cont

blow,

shut

off

the

unit

and

have

it

serviced

by

qualifif

jund)

'iisly.

11.GROUND

LIFT SWITCH

to

eliminate

hum

caused

by

ground loops.

12.

SENSITIVITY SELECTOR SWITCH

The

MA

Series amplifiers offer

3

SENSITIVITY

of

operation:

0.7V

1.0V

&

1.44V.

13.

COMPRESSOR SELECTOR SWITCH

The

MA

Series amplifiers offer

OFF or

COMPRESSOR.

The

compressor only works when

the

1v

sensitivity

is

select

Reference

Manual

Page

13