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Restored Philco 46-420 code 121 has slight low pitch hum.
Radioroslyn
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Posts: 7,286
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Joined: Dec 2009
City: Roslyn Pa
#2

03-17-2019, 08:06 PM
Try connecting a 20 or 30mfd 160v cap, the + side to pin 4 of the 50L6 and the - to B-.
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
(This post was last modified: 03-18-2019, 11:30 AM by Radioroslyn.)
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RE: Restored Philco 46-420 code 121 has slight low pitch hum. - by Radioroslyn - 03-17-2019, 08:06 PM



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  1. The PHILCO Phorum
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