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1941 GE Model L-640 Help Needed
Radioroslyn
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Posts: 7,283
Threads: 268
Joined: Dec 2009
City: Roslyn Pa
#5

06-19-2020, 11:38 AM
> transformer with a primary impedance close to the tube.
Something around 5-7K is good. An AA5 transformer is too low as it's around 2K.
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: 06-19-2020, 11:39 AM by Radioroslyn.)
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Messages In This Thread
RE: 1941 GE Model L-640 Help Needed - by RodB - 06-19-2020, 08:29 AM
RE: 1941 GE Model L-640 Help Needed - by Radioroslyn - 06-19-2020, 11:38 AM
RE: 1941 GE Model L-640 Help Needed - by RodB - 06-19-2020, 06:15 PM
RE: 1941 GE Model L-640 Help Needed - by RodB - 06-20-2020, 04:02 PM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)