Mcintosh c 27 service manual

Page 2

C27 PERFORMANCE LIMITS

FREQUENCY RESPONSE VOLTAGE AMPLIFICATION IN DECIBELS

+0 -0.5 dB ZOHZ to 20.000 H2 AUXILIARLY l and 2, TUNER, TAPE 1 and 2
to MAIN OUTPUT 20 dB, to TAPE OUTPUT 0 dB

PHONO l and 2 to MAIN OUTPUT 62 dB. to TAPE
OUTPUT #2 dB

DISTORTION
will not exceed 0.05% at rated output level,
20 Hz to 20,000 Hz.
POWER REQUIREMENT

l20 volts, 50/60 Hz, l5 watts

INPUT SENSITIVITY AND IMPEDANCE

AUXILIARY l and 2, TUNER,,TAPE l and 2; 250

millivolts at 100 000 ohms MECHAN'CAL 'NFORMAT'ON
. . SIZE: Front panel measures I6 inches wide
Tags? I and 2' 2 m'Il'VOItS at h7K ohms and (A0.6H cm) by S-7/l6 inches high (l3t8l cm).

Chassis measures l5 inches wide (38.l cm)
by 5 inches high (12.7 cm) by l3 inches
deep (33.02 cm), including PANLOC shelf and
back panel connectors. Knob clearance re-
quired is l-l/Z inches (3.81 cm) in Front

of the mounting panel.
HUM AND NOISE

AUXILIARY l and 2, TUNER, TAPE l and Z;
85 dB unweighted; 90 dB lHF A weighted.

PHONO l and 2: 80 dB below l0 mV input, un«

. . . ~ FINISH: Front panel is anodized gold and black
welghted, 85 dB IHF IA weighted. with special McIntosh gold/teal panel nomen-
clature illumination. Chassis is black

OUTPUT LEVEL AND IMPEDANCE

MAIN OUTPUT 2.5 volts with rated input, less MOUNllgeél Ezfilgg've Mc'°5 devel°ped pr°fe5
than lK ohms source impedance, to operate I n

into 22K ohms load or higher. Maximum out-

put is greater than l0 volts

TAPEOUTPUT 0.25 volts with rated input, less
than l.5K ohms source impedance, to operate

into 22K ohms load or higher. Maximum output
is greater than '0 voltst WEIGHT. I8 pounds (8.2 kg) net, 33 pounds (15,0

kg) in shipping carton
CENTER CHANNEL OUTPUT (L+R) 2.5 volts with
rated input to both channels, less than 1.2K
ohms source impedance, to operate into 22K
ohms load or higher.