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Philco Model 81 Help
Arran
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#6

01-21-2016, 04:02 AM
 Perhaps it was an error? The control grid voltage should never be positive on any audio output tube that I know of, maybe it was supposed to be -23 volts rather then 2.3 volts? If it was actually 2.3 volts the output would sound like garbage if it worked at all.
Regards
Arran
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Messages In This Thread
Philco Model 81 Help - by adiubald - 01-20-2016, 12:02 PM
RE: Philco Model 81 Help - by klondike98 - 01-20-2016, 03:16 PM
RE: Philco Model 81 Help - by Paul Philco322 - 01-20-2016, 08:18 PM
RE: Philco Model 81 Help - by morzh - 01-20-2016, 09:56 PM
RE: Philco Model 81 Help - by adiubald - 01-21-2016, 09:22 AM
RE: Philco Model 81 Help - by Arran - 01-21-2016, 04:02 AM
RE: Philco Model 81 Help - by adiubald - 01-21-2016, 09:29 AM
RE: Philco Model 81 Help - by morzh - 01-21-2016, 07:46 PM
RE: Philco Model 81 Help - by adiubald - 01-22-2016, 07:59 AM



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  1. The PHILCO Phorum
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  3. Philco Electronic Restoration