The Set: Pete Deksnis's Site about the CT-100
Restoring a Vintage Color Television Set
Color Television Chassis
CTC2B is everything the CTC2 is and more. Well, almost everything. There is one slight ripple in the CTC2's color demodulation scheme, but otherwise, the CTC2B is a CTC2 modified to drive a large 21-in. picture tube. A CTC2B chassis is the heart of the RCA model 21-CT-55, its first large-screen color television set.
Urban legend suggests that 20,000 21-CT-55's were manufactured. However, only a handful are known to have survived. For a little more information about a little seen set,