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Main Output:
2.5 volts with rated input.
Tape Output:
.25 volts with rated input.
Left Plus Right Output:
1 volt from generator impedance of 25,000
ohms.
Voltage Amplification:
Auxiliary, Tape, Tuner 1, and Tuner 2:
To Main Output, 20 db (10 to 1).
To Tape Output, 0 db (1 to 1).
Phono 1 and Phono 2 (At 1 KC):
To Main Output, 62 db (1250 to 1).
To Tape Output, 42 db (125 to 1).
Microphone:
To Main Output, 60 db (1000 to 1).
To Tape Output, 40 db (100 to 1).
Tape Head (At 500 cps):
To Main Output, 62 db (1250 to 1).
To Tape Output, 42 db (125 to 1).
A.C. Outlets:
1 unswitched (Red) for turntable or tape
machine.
4 switched.
Tubes:
6 each 12AX7.
Tape Jack Switch:
2 position, connects panel jacks to allow
signals to be fed from or to the C22 to
record or playback using an external
portable tape recorder.
Bass Controls:
Separate channel 11 position switch type,
±20 db at 20 cycles.
Treble Controls:
Separate channel 11 position switch type,
± 20 db at 20,000 cycles.
Compensator Switch:
RIAA or LP record equalization.
Tape Switch:
Normal, or Tape Monitor.
Rumble Filter:
50 cps cutoff.
HF Filter:
5000 cycle cutoff.
Additional Set-Up Controls:
The following controls are located behind the
front panel on the top of the C22 chassis.
These controls are readily accessible by
depressing the PANLOC buttons to slide
the C22 forward from the mounting panel:
Output Level Controls (L, L + R, and R):
Allows the balance of the entire system to
be conveniently adjusted.
Low Frequency Trim Controls (L and R):
Allows frequencies below 100 cps to be
boosted up to 6 db to compensate for
unequal speaker response.
Tape Equalization Controls (L and R):
Adjusts tape head input high frequency
response.
Phase Switch:
2 position, normal (0°) or reverse (180°).
Pilot Lamp Intensity Switch:
2 position, bright or dim.
FRONT PANEL FACILITIES
Figure 1. C22 Front Panel.
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