View Single Post
Old 15th May 2019, 9:38 pm   #20
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Mystery 1930s Philco name that Resistor ??

Bias supply?

EDIT: Is the loudspeaker original, if so is it field coil or permanent magnet.

Lawrence.

Last edited by ms660; 15th May 2019 at 9:47 pm.
ms660 is offline