04-20-2020, 10:15 PM
My best guess is that the hum is coming from the power supply. I would go after the filter caps therein.
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