06-02-2011, 09:43 PM
Well I'll bet you the 617 is a 6J7 or 6K7. If you series all the filaments except for the 48's guess what 30volts. Bet it runs on 30vdc.
Terry
Terry
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry