McIntosh 352 Manuel d'instructions télécharger pdf (Page 11)

DESCRIPTION

The

McIntosh

Model

MC-30

is a 30

watt

high

fidelity

power

amplifier designed for

home

entertainment

systems

and

professional applications.

The

Model

MC-30

is similar to

the

earlier

McIntosh

Model

A-116

30

watt

amplifiers

and

includes all of

the

rigid electrical specifications

and

features found

in

these

earlier

units plus: less

than

113%

harmonic

distortion

at

any

power

output

up

to

30

watts

and

at

any

frequency

in

the

audio

spectrum,

20 to 20,000 cps; less

than

112%

intermodulation

distortion if

instantaneous

peak

power

is

below 60

watts

for

any

combination

of

frequencies

20

to 20,000 cps;

and

noise

and

hum

level 90

db

or

more

below

rated

output.

The

famous

McIntosh

high

efficiency

output

circuit

is used

to

obtain

the

high

standard

of

performance

found

in

this amplifier.

The

MC-30

may

be

operated

from

any

signal source delivering 0.5

or

more

volts,

or

directly from a

McIntosh

Audio

Compensator

or

Pre-Amplifier, such as

the

Models C-8, C-4, C-104,

or

C-108.

Output

im-

pedances of 4, 8

and

16 ohms

are

provided for direct connection to loudspeakers.

An

additional

600

ohm

out-

put

is

present for use

with

lines, etc.

INSTALLATION

Location

The

MC-30

should

be

located

in

a

ventilated

area.

If

the

amplifier

IS

housed

III

a

cabinet

or

other

en-

closure, holes should be

provided

for

air

circulation.

Input Connections

1.

When

a

McIntosh

Audio

Compensator

or

other

McIntosh

pre-amplifier

is

used

with

the

MC-30,

plug

the

pre-amplifier's

output-power

cord

into

the

"Pre-Amp

input"

receptacle

on

the

MC-30

and

turn

the

"gain"

control

fully

counter

clockwise.

This

receptacle supplies

the

required

plate

and

filament

power

to

the

pre-

amplifier

equipment

as well as

providing

the

necessary

audio

connection.

For

pre-amplifier installation

and

operation

refer

to

the

pre-amplifier's

instruction

manual.

2.

When

a signal source of 0.5 volts

or

more

is used to drive

the

amplifier, such as

the

output

from

a

tuner,

tape

recorder,

or

pre-amplifier,

plug

the

source

into

the

"0.5

volt

input"

pin

jack

receptacle

or

con-

nect

to

the

"0.5

volt"

and

"GND"

screw terminals.

Use

the

"gain"

control

to

obtain

the

desired

operating

level.

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