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hot varistor
Radioroslyn
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Posts: 7,286
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#2

11-06-2010, 07:36 AM
What model Philco is it? Don't know of any that use a varistor in the circuit. If it is truly an aa5 the heater string should operate at or about 121v@150ma. +10% isn't going to be a problem for the filaments.
Terry
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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Messages In This Thread
hot varistor - by tab10672 - 11-06-2010, 01:24 AM
Re: hot varistor - by 7estatdef - 11-06-2010, 07:36 AM
Re: hot varistor - by tab10672 - 11-06-2010, 04:16 PM
Re: hot varistor - by 7estatdef - 11-06-2010, 05:35 PM
Re: hot varistor - by rghines1 - 11-06-2010, 05:53 PM
Re: hot varistor - by 7estatdef - 11-07-2010, 07:51 AM
Re: hot varistor - by Don Lind - 11-07-2010, 02:14 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration