McIntosh C32 User Manual download pdf (Page 13)

Using the Pushbuttons

PHONO 1-2

The PHONO 1-2 pushbutton selects from either PHONO 1

or PHONO 2 inputs. When the button is out—the indicator

above the 1 will light and the PHONO 1 signals will be

connected to the LISTEN and RECORD switches. When the

pushbutton is in, the indicator above the 2 will light and

the PHONO 2 inputs will be connected to the LISTEN and

RECORD switches.

RECORD MONITOR

When pressed IN, the RECORD MONITOR pushbutton

switches the LISTEN input to the output of the RECORD

program line. In the IN position the program heard on the

LISTEN program line is the program on the RECORD pro-

gram line.

EQ OUT

The EQ OUT pushbutton operates to bypass the program

equalizers, the LF and HF filters and the subsonic and

supersonic filters on the LISTEN program line. With the

EQ OUT pushbutton pressed IN, the total bandwidth of

the C 32 is 10 to 100,000 Hz. The indicator light above

the EQ OUT pushbutton is illuminated when the pushbutton

is pressed IN indicating that the EQUALIZER FREQUENCY

and the HF and LF FILTERS are removed from the circuit.

LF FILTER

The LF FILTER affects only the LISTEN program line

when pressed in. With the LF FILTER IN all frequencies

below 50 Hz are attenuated at the rate of 12 dB per octave.

Use it to reduce undesirable low frequency noise such as

rumble or acoustic feedback.

HF FILTER

The HF FILTER affects only the LISTEN program line.

With the HF FILTER IN all frequencies above 7,000 Hz are

attenuated at the rate of 12 dB per octave. Use it to reduce

undesirable high frequency noise such as record surface

noise or tape hiss.

SPEAKER/OUTPUT 1 and 2

The SPEAKER/OUTPUT 1 and 2 pushbuttons operate

only on the LISTEN program line. Each serve dual purposes.

When pressed IN, they

A. Connect the LISTEN program to the OUTPUT 1 and 2

jacks on the rear panel. Sound can thus be switched on

and off in areas served by additional amplifiers con-

nected to these jacks. Typical uses would be the switch-

ing of music to selected living areas, a swimming pool

or an outdoor recreation area.

B. Control the operation of a SCR relay when it is plugged

into the rear panel SPEAKER CONTROL RELAY socket.

The SCR controls the audio to two pairs of stereo loud-

speakers. The AC power to two AC receptacles on the SCR

is controlled by the ON-OFF cycle of the C 32. The total

AC power capacity of the receptacles is 2400 watts.

POWER

The

POWER

switch

energizes

the C 32

circuits

and

sup-

plies AC power to the black rear panel AC power outlets.

The black AC power outlets are not fused.

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McIntosh C32 User Manual Page 13

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