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Philco 48-200 volume weakens with time
morzh
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#7

05-04-2017, 08:16 AM
They are not equivalent: the first number stands for the heater voltage so use what was there before.

But given this many variations in the sch I would try first to figure out what exact version I have and what tube should be there, just to be sure.
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RE: Philco 48-200 volume weakens with time - by morzh - 05-04-2017, 08:16 AM



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