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Philco Model 81B
Radioroslyn
Phorum Expert
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Posts: 7,285
Threads: 268
Joined: Dec 2009
City: Roslyn Pa
#9

10-02-2022, 08:18 AM
The resistance measurements are confusing as your end to end total is lower than the midpoint to one end.[Image: https://philcoradio.com/phorum/images/sm...on_eek.gif] But I'll put a pin in it for now. The rest seem ok. Is your variac fused? If so I'd give it a try and ignore the meter. But I live dangerously. It could be that your meter is missing it's shunt. That is a resistor in parallel with it to control the amount of current that flows through it. Without it the meter will read high.
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: 10-02-2022, 08:26 AM by Radioroslyn.)
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Messages In This Thread
Philco Model 81B - by texan george - 09-25-2022, 03:36 PM
RE: Philco Model 81B - by Radioroslyn - 09-25-2022, 07:49 PM
RE: Philco Model 81B - by David - 09-25-2022, 08:14 PM
RE: Philco Model 81B - by texan george - 09-25-2022, 08:24 PM
RE: Philco Model 81B - by texan george - 09-30-2022, 04:51 PM
RE: Philco Model 81B - by Radioroslyn - 09-30-2022, 10:32 PM
RE: Philco Model 81B - by texan george - 10-01-2022, 05:16 PM
RE: Philco Model 81B - by MrFixr55 - 10-01-2022, 05:40 PM
RE: Philco Model 81B - by Radioroslyn - 10-02-2022, 08:18 AM
RE: Philco Model 81B - by texan george - 10-02-2022, 08:42 AM
RE: Philco Model 81B - by falcon123 - 10-02-2022, 09:49 AM
RE: Philco Model 81B - by texan george - 10-02-2022, 01:05 PM
RE: Philco Model 81B - by Radioroslyn - 10-02-2022, 02:36 PM
RE: Philco Model 81B - by texan george - 10-02-2022, 05:05 PM
RE: Philco Model 81B - by Radioroslyn - 10-02-2022, 06:13 PM
RE: Philco Model 81B - by texan george - 10-03-2022, 01:17 PM
RE: Philco Model 81B - by radiorich - 10-03-2022, 02:30 PM
RE: Philco Model 81B - by texan george - 10-04-2022, 05:09 PM
RE: Philco Model 81B - by MrFixr55 - 10-04-2022, 10:12 PM
RE: Philco Model 81B - by texan george - 10-05-2022, 07:27 AM
RE: Philco Model 81B - by texan george - 10-21-2022, 02:55 PM
RE: Philco Model 81B - by radiorich - 10-21-2022, 03:24 PM
RE: Philco Model 81B - by Radioroslyn - 10-21-2022, 04:34 PM
RE: Philco Model 81B - by texan george - 10-22-2022, 06:26 AM
RE: Philco Model 81B - by texan george - 10-22-2022, 06:28 AM
RE: Philco Model 81B - by texan george - 10-22-2022, 02:19 PM
RE: Philco Model 81B - by texan george - 10-22-2022, 03:52 PM
RE: Philco Model 81B - by Radioroslyn - 10-22-2022, 08:43 PM
RE: Philco Model 81B - by Radioroslyn - 10-22-2022, 08:50 PM
RE: Philco Model 81B - by texan george - 10-23-2022, 04:45 PM
RE: Philco Model 81B - by Radioroslyn - 10-23-2022, 09:22 PM
RE: Philco Model 81B - by texan george - 10-25-2022, 05:46 PM
RE: Philco Model 81B - by texan george - 11-04-2022, 11:25 AM
RE: Philco Model 81B - by Radioroslyn - 11-04-2022, 12:58 PM
RE: Philco Model 81B - by RodB - 11-05-2022, 09:18 AM
RE: Philco Model 81B - by radiorich - 11-05-2022, 11:49 AM
RE: Philco Model 81B - by texan george - 11-05-2022, 03:26 PM
RE: Philco Model 81B - by texan george - 11-08-2022, 12:48 PM
RE: Philco Model 81B - by radiorich - 11-09-2022, 02:00 PM
RE: Philco Model 81B - by texan george - 11-10-2022, 12:09 PM



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