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1920's 5/6 tube trf's
08-10-2013, 07:35 AM
I think that the 199s are 3 volts, the 30s are 2 volts, but the 201As are 5 volts at .25 amps each. I would save the 199s for an RCA set that uses them but the types 30s make perfect sense to use as a 201A substitute, however the filament current and of course the voltage is different so the original rheostat/volume control setup in a 201A equipped set won't work.
Regards Arran
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Messages In This Thread
1920's 5/6 tube trf's - by tab10672 - 08-09-2013, 12:08 AM
RE: 1920's 5/6 tube trf's - by BrendaAnnD - 08-09-2013, 05:16 AM
RE: 1920's 5/6 tube trf's - by Ron Ramirez - 08-09-2013, 07:16 AM
RE: 1920's 5/6 tube trf's - by Arran - 08-09-2013, 09:40 AM
RE: 1920's 5/6 tube trf's - by tab10672 - 08-09-2013, 01:56 PM
RE: 1920's 5/6 tube trf's - by Arran - 08-10-2013, 07:35 AM
RE: 1920's 5/6 tube trf's - by Alan Douglas - 08-15-2013, 09:52 PM
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