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Well sch says +- 3V so we probably should be using 6 batteries. I suspect AA won't last long, at the size of it they probably could've used at least C size or maybe even D (Soviet portable radios often used D).
I hope Tim checked the batteries, otherwise it is a wild goose chase.
Messages In This Thread
RE: Philco TPA-1 - by morzh - 01-17-2014, 01:00 PM
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3D-printing...short of machining, of course.
Or molding.morzh — 05:20 PM |
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Thanks, Morzh.
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If it is 12', either Kareem or Andre would have to jump pretty high to look at the front panel.
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I think they have only shown the secondaries of the transformer.
Two of them feed the rectifiers' filaments.morzh — 12:58 PM |
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Arran
If the wire inside cans is the gauges you mentioned, the sole reason for that would be mechanical, to stiffen t...morzh — 12:56 PM |
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Rod,
Yes, I know, but the Giant Philco is not around anymore either, so I go by whoever was alive fairly recently.
H...morzh — 12:54 PM |
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Absolutely no one is going to reverse engineer that circuit. Even the iron core is missing.RodB — 10:37 AM |
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Thanks to both members for your help regarding wire and tuner mtg supports. regards--Johngeorgetownjohn — 09:33 AM |
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Note that no power cord, power switch, or power transformer switch are shown. That (along with my experience with full s...DaleHCook — 07:09 AM |
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