07-31-2016, 10:19 PM
The adjustment just changes the relationship from the filament winding on the power transformer to ground for the 6A3 tube cancelling the AC hum. It doesn't have any affect on the ac voltage across the tubes filament. Will not cause the filament to burn brighter or burnout the tube.
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
