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Philco Model 20 escessive hum
03-27-2015, 04:32 PM
Mike is talking about the aluminum cans that are pressed into the chassis the cover the RF coils. In most cases you can ground the ant post to help to hear hum from the p/s. This will cut down the RF noise to a low level. Things have changed A LOT since 1930 a whole heck of a lot of more noise!!!!
Terry
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Messages In This Thread
Philco Model 20 escessive hum - by Tubesforme - 03-25-2015, 03:52 PM
RE: Philco Model 20 escessive hum - by klondike98 - 03-25-2015, 04:17 PM
RE: Philco Model 20 escessive hum - by Mondial - 03-25-2015, 04:34 PM
RE: Philco Model 20 escessive hum - by Warren - 03-25-2015, 06:00 PM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-25-2015, 06:15 PM
RE: Philco Model 20 escessive hum - by Warren - 03-25-2015, 06:24 PM
RE: Philco Model 20 escessive hum - by Mondial - 03-25-2015, 07:02 PM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-25-2015, 09:09 PM
RE: Philco Model 20 escessive hum - by Radioroslyn - 03-25-2015, 07:47 PM
RE: Philco Model 20 escessive hum - by Arran - 03-27-2015, 12:01 AM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-30-2015, 12:11 PM
RE: Philco Model 20 escessive hum - by morzh - 03-27-2015, 08:52 AM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-27-2015, 03:25 PM
RE: Philco Model 20 escessive hum - by Mondial - 03-27-2015, 03:36 PM
RE: Philco Model 20 escessive hum - by morzh - 03-27-2015, 03:51 PM
RE: Philco Model 20 escessive hum - by Radioroslyn - 03-27-2015, 04:32 PM
RE: Philco Model 20 escessive hum - by radiohenry - 03-28-2015, 08:16 AM
RE: Philco Model 20 escessive hum - by morzh - 03-28-2015, 09:02 AM
RE: Philco Model 20 escessive hum - by radiohenry - 03-28-2015, 03:35 PM
RE: Philco Model 20 escessive hum - by klondike98 - 03-28-2015, 07:47 PM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-30-2015, 12:17 PM
RE: Philco Model 20 escessive hum - by radiohenry - 03-28-2015, 09:17 PM
RE: Philco Model 20 escessive hum - by morzh - 03-30-2015, 12:27 PM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-30-2015, 12:37 PM
RE: Philco Model 20 escessive hum - by morzh - 03-30-2015, 12:41 PM
RE: Philco Model 20 escessive hum - by Radioroslyn - 03-30-2015, 12:45 PM
RE: Philco Model 20 escessive hum - by morzh - 03-30-2015, 12:48 PM
RE: Philco Model 20 escessive hum - by codefox1 - 03-30-2015, 02:21 PM
RE: Philco Model 20 escessive hum - by Tubesforme - 03-31-2015, 02:14 PM
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