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Philco 49-909
#12

That's correct, and you might want to connect a dropping resistor between pin 6 of the lower rectifier and C104A to drop the B+ to 210V. Probably somewhere between 47 and 100 ohms, 1 watt. If you do this you'll reduce the heat to almost zero and that's a good thing!


Messages In This Thread
Philco 49-909 - by Jimradio - 04-21-2021, 12:48 PM
RE: Philco 49-909 - by mikethedruid - 04-21-2021, 08:09 PM
RE: Philco 49-909 - by Jimradio - 04-22-2021, 05:25 AM
RE: Philco 49-909 - by Jimradio - 04-22-2021, 06:18 AM
RE: Philco 49-909 - by mikethedruid - 04-22-2021, 09:23 AM
RE: Philco 49-909 - by Jimradio - 04-22-2021, 12:36 PM
RE: Philco 49-909 - by Jimradio - 04-29-2021, 09:05 AM
RE: Philco 49-909 - by Radioroslyn - 04-29-2021, 04:33 PM
RE: Philco 49-909 - by OZ4 - 04-29-2021, 05:10 PM
RE: Philco 49-909 - by Jimradio - 04-30-2021, 06:06 AM
RE: Philco 49-909 - by Jimradio - 05-02-2021, 06:26 AM
RE: Philco 49-909 - by RodB - 05-02-2021, 08:02 AM
RE: Philco 49-909 - by Jimradio - 05-02-2021, 06:35 PM
RE: Philco 49-909 - by Jimradio - 05-15-2021, 03:44 PM
RE: Philco 49-909 - by OZ4 - 05-15-2021, 05:53 PM
RE: Philco 49-909 - by Jimradio - 05-17-2021, 06:04 AM



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