McIntosh C 24 Service Manual

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milniuah

024

SERVICE INFORMATION

STARTING WITH SERIAL N0. IODOI

MclNTOSH LABORATORY INC. 2 CHAMBERS STREET BINGHAMTON, NEW YORK

VZD

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ELECTRICAL SPECIHCATIONS
FREQUENCY RESPONSE

+0 to -0.5dB from 20HZ to 20,000HZ

DISTORTION

Less than 0.1% at 2.5 volts, 20Hz to 20,000Hz

INPUT SENSITIVITY (phono 1, phone 2, tape head)

2 millivolts for 2.5 volts output at lkHz

INPUT SENSITIVITY (aux, tape, tuner)

0.20 volts for 2.5 volts output

HUM AND NOISE (phono l, phono 2, tape head)

70dB below 10 millivolt input

HUM AND NOISE (aux, tape, tuner)

75dB below rated output

OUTPUT (main)

2.5 volts with rated input. Up to 10 volts can be
developed without distortion.

OUTPUT (tape)

0.20 volts with rated input. Phono input signal of lO
millivolts produces 1.2 volts output.

OUTPUT (center channel)
2.5 volts with rated input on both channels. A level

control adjusts output from -6dB to +6dB with respect
to main output.

BASS CONTROL

ileB at 20HZ

TREBLE CONTROL

jflGdB at 20,000Hz

LF FILTER

Flat or roll off below 50Hz

HF FILTER

Flat or roll off above 5OOOHZ