Philco 45 ECaps

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Philco 45 ECaps

RodB
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11-12-2025, 10:25 PM

The AVC should always be a negative voltage. It is fed through the 2 meg resistor to the signal grids of the IF and RF tubes (the grid caps) not the screen grids. The stronger the received signal the more negative the AVC voltage thus reducing the gain in the tubes, automatically. Your AVC seems to be acting normal.

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Messages In This Thread

Philco 45 ECaps - by dconant - 11-10-2025, 03:35 PM

RE: Philco 45 ECaps - by morzh - 11-10-2025, 05:37 PM

RE: Philco 45 ECaps - by dconant - 11-12-2025, 09:51 AM

RE: Philco 45 ECaps - by dconant - 11-12-2025, 10:42 AM

RE: Philco 45 ECaps - by RodB - 11-12-2025, 12:43 PM

RE: Philco 45 ECaps - by dconant - 11-12-2025, 02:29 PM

RE: Philco 45 ECaps - by RodB - 11-12-2025, 10:25 PM

RE: Philco 45 ECaps - by dconant - 11-13-2025, 09:30 AM

RE: Philco 45 ECaps - by RodB - 11-13-2025, 10:40 AM

RE: Philco 45 ECaps - by morzh - 11-13-2025, 01:02 PM

RE: Philco 45 ECaps - by dconant - 11-13-2025, 01:27 PM

RE: Philco 45 ECaps - by RodB - 11-13-2025, 05:49 PM

RE: Philco 45 ECaps - by morzh - 11-13-2025, 10:06 PM

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