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Philco 604C Electronic Restoration
Radioroslyn
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#35

06-22-2015, 10:03 PM
How about the heater voltage on the 43 and 75? Up to par?? I'd try a test spkr with an output transformer. Disconnect the plate lead from the 43 and clip in the test spkr. Or a signal tracer to see  where the gain drops off.

Terry
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Messages In This Thread
RE: Philco 604C Electronic Restoration - by sam - 06-14-2015, 10:43 PM
RE: Philco 604C Electronic Restoration - by Arran - 06-17-2015, 12:54 AM
RE: Philco 604C Electronic Restoration - by Arran - 06-19-2015, 12:07 AM
RE: Philco 604C Electronic Restoration - by Radioroslyn - 06-22-2015, 10:03 PM
RE: Philco 604C Electronic Restoration - by sam - 07-16-2015, 04:17 AM
RE: Philco 604C Electronic Restoration - by sam - 07-19-2015, 08:14 PM
RE: Philco 604C Electronic Restoration - by morzh - 10-25-2020, 08:12 PM



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  1. The PHILCO Phorum
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  3. Philco Electronic Restoration