Model 650 Tone Control Question
Posts: 185
Threads: 8
Joined: Apr 2023
City: Roanoke
State, Province, Country: Virginia
MrFixr55 Wrote:We all started at one time (For me it was 10, but I never became a HAM.
Same thing here - started over 60 years ago at about 10 learning to fix old vacuum radios that neighbors were throwing out and replacing with new transistorized radios, so I learned electronics with vacuum tubes. I've never been a ham, but have worked with transmitters. Of course, as a broadcast engineer some of those transmitters have been bigger than three refrigerators side-by-side.
Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA
https://plymouthcolony.net/starcity/radios/
Messages In This Thread
RE: Model 650 Tone Control Question - by DaleHCook - 07-04-2023, 05:08 PM
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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 |
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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 |
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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 |
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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 |
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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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