Ron's RCA T7-5 Electronic Rescue
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand
State, Province, Country: Indiana
I've ordered Solen Fast capacitors to replace the electrolytics, and ordered some mica caps as well. With any luck they might be here by next weekend. I think I will use Solens in all of my better radios from now on...that is, as long as they will fit in the capacitor cans in which they will be used. They cost quite a bit more than new electrolytics but they will likely not require replacement for decades. And they fit very nicely in the large prewar aluminum cans.
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Ron Ramirez
Ferdinand IN
Messages In This Thread
RE: Ron's RCA T7-5 Electronic Rescue - by Ron Ramirez - 06-03-2018, 08:14 PM
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Philco 42-345 Restoration/Repair
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Hi OSanders,
Look carefully at the band switch. Turn it slowly and "wiggle" it around the desired band. ...MrFixr55 — 12:33 AM |
5U4 vs 5Z4 tubes
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I think that RCA and GE introduced metal tubes in the USA in 1936. I don't know if they were being made by RCA, GE or b...MrFixr55 — 11:20 PM |
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Vlad95,
Thank you for the stringing guides and wow there are so manyosanders0311 — 06:01 PM |
5U4 vs 5Z4 tubes
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A pre war Hallicrafters, and an early one too, very nice! 1936 is pretty early for metal tubes too, which would explain ...Arran — 05:58 PM |
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Thanks Rod,
"When you hear the background hiss and no station it usually indicates that the oscillator quit" ...osanders0311 — 05:52 PM |
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RodB
:beerchug:Vlad95 — 10:22 AM |
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Vlad, you nailed it. Swiss and German roots.RodB — 09:54 AM |
5U4 vs 5Z4 tubes
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Well this is a Hallicrafters SX/9 circa 1936.
No real issues so far although I dodged a real bullet with a cap that was...bridkarl — 07:59 AM |
5U4 vs 5Z4 tubes
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The pinout is the same but the 5U4 has a 3 amp filament, verses 2 amps or less on the 5Z4. I think that the pinout of a ...Arran — 12:04 AM |
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By the way.
osanders0311
Take a look here: Dial cord stringing Guides
May be here you can fount correct string settin...Vlad95 — 11:15 PM |
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