The Set: Pete Deksnis's Site about the CT-100
Restoring a Vintage Color Television Set
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Color Television Chassis
CTC5 is interesting because, curiously, the audio amplifier is
. Nearly everything else about the audio section was the same as a CTC4. It used contact bias on the voltage amplifier, the multi-function 6T8 saved a 6AL5 dual-diode used in the CT-100, and the 6AQ5 single-ended audio power output stage provided about 3-watts of audio power and didn't change till years later.
Check out the CTC5 section on Steve Dichter's site.
Click for facts and pictures from Ed Reitan's site.