04-21-2013, 02:01 PM
I guess if I was really nutz I would just pop in a si diode & cap and run the filaments on dc. By 1935 the older 2.5 volt tubes where falling out of favor for the 6v jobs you could run off of a car battery.
Tnx for all your comments.
Terry
Tnx for all your comments.
Terry