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Antique Radio Technical Forum
Philco 90 Has Same Volume At All Volume Settings

Posted by Johnny on 04/12/2012 18:09


Grounded the grid of the Det. Amp. tube and the volume stays the same. Didn't go quiet.

:Try grounding the grid of the Det. Amp tube. If the radio goes quiet the volume control is bad. The plate voltage may go down when you ground this grid.
:
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Philco 90 Has Same Volume At All Volume Settings 
Johnny 04/12/2012 12:18 
Warren 04/12/2012 13:19 
Lou 04/12/2012 13:26 
Johnny 04/12/2012 14:12 
Warren 04/12/2012 15:31 
Johnny 04/12/2012 16:07 
Warren 04/12/2012 17:49 
Johnny 04/12/2012 18:09 
Warren 04/12/2012 18:55 
Johnny 04/12/2012 21:36 
Johnny 04/13/2012 15:32 
Warren 04/13/2012 17:25 
Johnny 04/13/2012 20:14 
Mitch 04/14/2012 16:54 
Edd 04/14/2012 17:28 

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