1941 GE Model L-640 Help Needed

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1941 GE Model L-640 Help Needed

Radioroslyn
Phorum Expert

Posts: 7,286
Threads: 268
Joined: Dec 2009
City: Roslyn Pa

06-19-2020, 12:38 PM

> 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, 12:39 PM by Radioroslyn.)

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1941 GE Model L-640 Help Needed - by captainclock1988 - 06-18-2020, 03:23 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-18-2020, 09:04 PM

RE: 1941 GE Model L-640 Help Needed - by RodB - 06-19-2020, 09:29 AM

RE: 1941 GE Model L-640 Help Needed - by Eliot Ness - 06-19-2020, 10:44 AM

RE: 1941 GE Model L-640 Help Needed - by Radioroslyn - 06-19-2020, 12:38 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-19-2020, 01:04 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-19-2020, 01:12 PM

RE: 1941 GE Model L-640 Help Needed - by Radioroslyn - 06-19-2020, 01:56 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-19-2020, 06:57 PM

RE: 1941 GE Model L-640 Help Needed - by RodB - 06-19-2020, 07:15 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-20-2020, 01:21 PM

RE: 1941 GE Model L-640 Help Needed - by Radioroslyn - 06-20-2020, 01:55 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-20-2020, 03:47 PM

RE: 1941 GE Model L-640 Help Needed - by RodB - 06-20-2020, 05:02 PM

RE: 1941 GE Model L-640 Help Needed - by captainclock1988 - 06-20-2020, 05:44 PM

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