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Philco 623
#11

Hey Marty
You may want to stay away from switching ps. They will generate a lot rf noise. For the bias dry cells will last forever. For the filament I use a 6v transformer,full wave rectifier and a LM-317 regulator. It's adjustable.
Terry


Messages In This Thread
Philco 623 - by budibower - 07-24-2013, 09:53 PM
RE: Philco 623 - by 7estatdef - 07-25-2013, 08:11 AM
RE: Philco 623 - by codefox1 - 07-25-2013, 09:54 AM
RE: Philco 623 - by klondike98 - 07-25-2013, 02:13 PM
RE: Philco 623 - by 7estatdef - 07-25-2013, 05:11 PM
RE: Philco 623 - by jerryhawthorne - 07-25-2013, 07:08 PM
RE: Philco 623 - by Ron Ramirez - 07-25-2013, 07:15 PM
RE: Philco 623 - by jerryhawthorne - 07-25-2013, 07:25 PM
RE: Philco 623 - by 7estatdef - 07-25-2013, 08:51 PM
RE: Philco 623 - by marty - 07-25-2013, 09:17 PM
RE: Philco 623 - by 7estatdef - 07-25-2013, 09:37 PM
RE: Philco 623 - by marty - 07-25-2013, 09:52 PM
RE: Philco 623 - by jerryhawthorne - 07-25-2013, 10:20 PM
RE: Philco 623 - by budibower - 07-25-2013, 10:28 PM
RE: Philco 623 - by budibower - 07-25-2013, 10:38 PM
RE: Philco 623 - by marty - 07-25-2013, 11:29 PM
RE: Philco 623 - by Arran - 07-26-2013, 08:16 AM
RE: Philco 623 - by marty - 07-26-2013, 09:30 AM
RE: Philco 623 - by 7estatdef - 07-26-2013, 12:13 PM
RE: Philco 623 - by Bob Andersen - 07-26-2013, 02:30 PM
RE: Philco 623 - by budibower - 07-26-2013, 09:21 PM



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