Thread: Advice sought for 1968 RCA GL-644W
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Old 06-11-2006, 11:18 PM
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holmesuser01 holmesuser01 is offline
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Doesent the 12HG7 use a center-tapped filament to run at 6.3v?

I've found 6U8's in place of 6GH8's before. The 6GH8 is an improved version of the 6U8.

RCA wouldn't have 1-2 12v tubes running with 6.3v stuff anyway/..Not including such things as series string chassis... Dont you hate trying to find those odd tubes now? 13GF7, anyone?
Last edited by holmesuser01; 06-11-2006 at 11:22 PM.
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