Philco 46-350 Battery Build

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Philco 46-350 Battery Build

John R
runawaytruck

Posts: 94
Threads: 3
Joined: May 2010
City: Albuquerque, NM

09-11-2011, 08:32 PM

Russ,
According to the schematic the green wire is the ground minus side of the 90 volt 'B' supply. The red wire is the plus side of the 90 volt B supply.
The black wire is the ground minus side of the 9 volt filament supply. The brown wire would be the plus side of the 9 volt filament 'A' supply. The minus side of the supplies do not need to be connected together at the batteries. The tube filaments are in series with dropping resistors therefore the need for 9 volts. Connect 6 1.5 volt D cells in series for the 9 volt filament supply. Icon_think

You may want to trace the battery wires to make sure they go to the correct pins of the tubes in case someone has messed with the wiring?
John

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Philco 46-350 Battery Build - by subwyking - 09-08-2011, 09:48 AM

Re: Philco 46-350 Battery Build - by BILL - 09-08-2011, 03:26 PM

Re: Philco 46-350 Battery Build - by subwyking - 09-08-2011, 06:30 PM

Re: Philco 46-350 Battery Build - by codefox1 - 09-08-2011, 10:19 PM

Re: Philco 46-350 Battery Build - by subwyking - 09-11-2011, 06:06 PM

Re: Philco 46-350 Battery Build - by subwyking - 09-11-2011, 06:12 PM

Re: Philco 46-350 Battery Build - by John R - 09-11-2011, 08:32 PM

Re: Philco 46-350 Battery Build - by codefox1 - 09-11-2011, 09:52 PM

Re: Philco 46-350 Battery Build - by subwyking - 09-11-2011, 10:45 PM

Re: Philco 46-350 Battery Build - by John R - 09-12-2011, 12:41 AM

Re: Philco 46-350 Battery Build - by BILL - 09-12-2011, 09:37 AM

Re: Philco 46-350 Battery Build - by subwyking - 09-12-2011, 11:50 AM

Re: Philco 46-350 Battery Build - by 7estatdef - 09-12-2011, 02:02 PM

Re: Philco 46-350 Battery Build - by subwyking - 09-18-2011, 04:57 PM

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