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PHILCO 86
Radioroslyn
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Posts: 7,286
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Joined: Dec 2009
City: Roslyn Pa
#2

06-12-2021, 05:49 PM
The 125A would be suitable for your application. A pair of 71A's will make about 2W of audio. Plate load is about 5K per tube so total primary is about 10K. Secondary is going to be low like an ohm or two.
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: 06-12-2021, 05:51 PM by Radioroslyn.)
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Messages In This Thread
PHILCO 86 - by ducretet - 06-12-2021, 03:22 PM
RE: PHILCO 86 - by Radioroslyn - 06-12-2021, 05:49 PM
RE: PHILCO 86 - by ducretet - 06-13-2021, 04:03 AM
RE: PHILCO 86 - by ducretet - 06-25-2021, 04:41 PM
RE: PHILCO 86 - by Radioroslyn - 06-25-2021, 07:45 PM



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