Quote:
Originally Posted by Ampico-kid
Hi Kevin;
I'm not 100% sure, but I believe the crt is the original RCA tube (21CYP22). It is an RCA tube, that much is still printed on the socket. While working on the set I took a good look at the tube and couldn't find the number. I'm thinking maybe it was stamped on the neck and was removed by accident at some point. I saw no evidence that the tube had ever been replaced. It was a very lazy tube and took a long time to come around when I first began this project. I was concerned that I would need to locate a replacement, but once it woke up...there was just no stopping it. Bob
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Bob,
The 21CYP22A, a glass tube, would have the dual high voltage connectors, with a resistor between them, on the bell of the tube.
-Steve D.