Today's Mystery Guest (RCA CTC-4)

[wa2ise]

Selenium rectifiers AND a power transformer? Usually Selenium rectifiers are used in hot chassis sets, and transformer sets have tubes like 5U4 for the power supply B+ production. Or are these seleniums used for another function?


Hopefully the CRT's vacuum hasn't leaked out.

[Phil Nelson]

Originally Posted by wa2ise

Selenium rectifiers AND a power transformer?

Yes, similar to the CT-100.

Phil Nelson

[stromberg6]

Seems like an air dud. Sorry it's gone to air.
Anyone ever install a 21CY in a CTC-4 without modifying the mask area, or other mounting hardware? I know about cutting the yoke flange when using an FB.
Kevin

[Electronic M]

Originally Posted by stromberg6

Seems like an air dud. Sorry it's gone to air.
Anyone ever install a 21CY in a CTC-4 without modifying the mask area, or other mounting hardware? I know about cutting the yoke flange when using an FB.
Kevin

Cutting the yoke flange for a 21FBP22?! I still entertain hope of getting a good AXP for mine so I just used a modern cup HV connector and stuck several layers of a THICK plastic bag between the yoke and HV connector area to prevent arcing/corona...It works fine, and I did not hack up any OEM parts.