03-05-2018, 07:49 PM
What causes the start up load is C1. Originally it was probably a rather small value perhaps 2mf or so. Max size for the 80 tube's specs is 40mf so the 2mf is well below this rating. If you have hum issues w/2mf in as C1 you can increase the value of C2 and C3 if needed. Between these 3 caps is where the filtering is taking place the others down the line are there to bypass any signal from being distributed thru the high volt circuits. Would recommend a mylar cap for C1.
GL
GL
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
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