Model C-4
Equalizer Pre-Amplifier Low Distortion Control Center
An equalizer
Pre-Amplifier is the control center of the sound reproducing system. Low
distortion, stability, and adequate frequency response arc as important in the
Equalizer Pre-Amplifier as in the power amplifier. The Mclntosh C-4 provides
these vital features. Circuit arrangement and techniques bring complete freedom
from impulse types of distortion. (Turning the unit on and off or changing the
level suddenly will not cause amplifier flutter.) There are five input
channels, two of which are equalized for use with magnetic cartridges. Stable
feedback amplification permits full adjustment of cither the treble or bass
controls without any amplifier instability whatsoever.
Features:
• Bass
Accentuate and Attenuate
• Treble
Accentuate and Attenuate
• Eleven
position Bass and Treble compensation switch for magnetic or constant amplitude
cartridges
• Master
on-off switch and volume control
Specifications:
Delivers 4
volts at less than 0,3% distortion (20 - 20,000 ha, of any settings)
Bass :
Accentuate 18 dB / Attenuate 20 dB at 20 Hz
Treble
: Accentuate 17 dB / Attenuate 20 dB at
20,000 Hz
Five Input
Channels: Tape; Tuner; Microphone and
two phonograph
Separate
level Adjustment: on each channel
Variable
load and magnetic-constant amplitude switch on one phono channel.
Two main and
one tape output, each from a cathode follower.
Three AC
Outlets: controlled by master On-off
switch.
Powered: by any McIntosh power amplifier or
self-powered with D-8 power supply
Hum
Level: -110 dB reffered to input
Dimensions:
With
Hardwood Enclosure : 11-1/2" x
7-3/4" x 4-7/8"
Solo Control
Unit : 10-7/8" x 7-1/2" x
3-9/16"
Front Panel
Size : 11" x 4-1/4"
Weight (net
, includes tubes, connectors, etc):
2,52kg (5 lbs 9 oz)
Finish
Cabinet: mahogany (C-4M) or Blonde
(C-4B)
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