11-25-2016, 05:18 AM
If the Silvertone does use 2 volt filament battery tubes and not 1.5 volt ones, not many sets used 2 volt tubes after 1938. The B+ supply is usually easy if it's only 90 volts, you can make a supply similar to what the 46-350 uses with a three section pi filter arrangement.
Regards
Arran
Regards
Arran