McIntosh C32 User Manual download pdf (Page 6)

How to Connect

CONNECTING A TURNTABLE TO PHONO 1

Connect

the

cable from

the

"left"

channel

of the

turn-

table into the INPUT L PHONO 1 jack.

Connect the cable from the "right" channel of the turn-

table into the INPUT R PHONO 1 jack.

PHONO 2 is provided for the use of a second turntable.

Connect the cable from the "left" channel of the turn-

table into the INPUT L PHONO 2 jack.

Connect the cable from the "right" channel of the turn-

table into the INPUT R PHONO 2 jack.

On the rear panel are two green AC power outlets and

a slide switch marked AUTO/MANUAL. Plug the AC power

cables from the turntable into the green TURNTABLE

POWER outlets on the rear panel. When the switch is in

the AUTO position, power to the black AC power out-

lets, can be controlled by the front panel POWER switch

or by the current drawn by a turntable plugged into

the green TURNTABLE POWER outlets. The current sens-

ing green AC power outlets will control the AC power

to the entire system from the AC power on/off switch on

the turntable. When the turntable is turned off with its

own AC power switch, no current is drawn which causes

the current sensing relays in the C 32 to turn oft all AC

power to the system. With the AUTO/MANUAL switch in the

MANUAL position, AC power to the system will be controlled

by the front panel POWER pushbutton only.

Some turntables have electronic circuits that draw current

all the time. To use these turntables the AUTO/MANUAL

switch must be in the MANUAL position.

The green AC power outlets are protected with a one

ampere fuse. Any increase in the value of this fuse will

affect the operation of the sensing circuit and can cause

severe damage.

GROUND CONNECTION

A single ground post is provided. Grounds for turntables,

record changers, tape decks, etc. should be connected to

this post. The left and right program cables and the ground

wire from that source should be wound or twisted together.

To avoid hum, make sure the ground wire does not make

any connections to the shields of the left and right program

cables between the program source and the C 32.

CONNECTING A STEREO TUNER

Connect the cable from the "left" channel tuner output

to the INPUT L TUNER jack.

Connect the cable from the "right" channel tuner output

to the INPUT R TUNER jack.

AUX—Any high level program source such as a tuner,

a TV set or a tape recorder can be connected to the INPUT

AUX jacks.

CONNECTING TAPE RECORDERS

To Record:

Connect a cable from the OUTPUT L TAPE 1 jack to the

left high level input of the tape recorder.

Connect a cable from the OUTPUT R TAPE 1 jack to the

right high level input of the tape recorder

Connect second and third tape recorders in the same

fashion to the TAPE 2 and TAPE 3 outputs.

To Playback/Monitor:

Connect the cable from the left channel output of a tape

recorder to the INPUT L TAPE 1.

Connect the cable from the right channel output of a tape

recorder to the INPUT R TAPE 1.

Connect second and third tape recorders in the same

fashion to the TAPE 2 and TAPE 3 INOUT jacks.

TAPE RECORDER FRONT PANEL CONNECTION

Inputs and outputs for TAPE 3 are available at the TAPE 3

IN-OUT jacks on the front panel just left of the pushbuttons.

This allows rapid, temporary connections to TAPE 3 position

without getting at the rear panel, A metal shielded V

stereo phone plug is used for best shielding—similar to

the plugs used on low impedance headphones. Connections

follow the industry standards and are tip: left signal, ring:

right signal, and, sleeve: common ground

Connecting a Tape Recorder to the Listen Program Line

Connect a cable from the OUTPUT 1 —LEFT jack to the

left high level input of the tape recorder

Connect a cable from the OUTPUT 1 —RIGHT jack to the

right high level input of the tape recorder.

Output signal will be ted to the tape recorder when the

front panel pushbutton OUTPUT 1 is pushed in.

CONNECTING THE C 32 TO POWER AMPLIFIERS

Connect the OUTPUT MAIN jacks to the input of a

stereo power amplifier. The Left MAIN jack is connected

to the left amplifier input jack. The Right MAIN jack is

connected to the right amplifier input jack.

Two additional stereo power amplifiers may be con-

nected in the same fashion to the OUTPUT 1 and OUTPUT 2

jacks. Audio output signal is supplied to these jacks only

when front panel pushbutton SPEAKER/OUTPUT 1 and 2

pushbuttons are pressed IN. The input impedance of the

amplifiers used should be 5,000 ohms or greater.

SPEAKER CONTROL RELAY

To control loudspeakers by use of SPEAKER/OUTPUT 1

and 2 pushbuttons on the front panel an accessory Mclntosh

SCR (SPEAKER CONTROL RELAY) is needed. Plug the special

cable from the SCR control into the SPEAKER CONTROL

RELAY receptacle. The speakers are then connected to the

SCR control.

The SCR has two AC power outlets that provide addi-

tional capacity of 2400 watts. Use these outlets to supply

AC power to amplifiers or other components to be con-

trolled by the ON OFF cycle of the C 32. Use the SCR

whenever the total load to be switched by the C 32 exceeds

its rating of 600 watts.

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McIntosh C32 User Manual Page 6

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