Quote:
Originally Posted by Steve McVoy
We have a 21C609 at the museum, which is a CTC4 clone. It is in Sams 352, while the 31C606 is in 391. I guess they sold the 21C for a few months until they could get their own design to the market. Strange that it uses a gas regulator tube when the shunt regulator had been in use in almost all sets for 2-3 years.
|
I think it probably used a coretron because of the simplicity. Just clamp it to ground and connect the HV lead and you're in business. May have even been more cost effective (no tube socket, no high megohm voltage divider resistors etc) This chassis also used the same flyback that is in the RCA 21CT55, relabeled as a Sylvania part number. The only reason I know they are the same, is because I had to do a lot of work on my CT55 HV section and I would recongize that flyback anywhere. I have not tested the coretorn in my Sylvania yet, but I would bet it is crap like most of them are.