Posts: 1,120
Threads: 44
Joined: Feb 2015
City: Roseville, MN
Hi Mike,
I think you're OK with, just 20k plate load resistor. I'm pretty sure the rf choke/resistor combination in the plate circuit is to suppress ringing. I remember it being used in the old TVs. I need one for each ear, stops the ringing.
Messages In This Thread
RE: RCA R-73 RESTORATION - by RodB - 03-06-2023, 09:37 AM
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Recent Posts
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Need to purchase some accessories for restoration of my Old Philco Radio
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| Hi Paulo,
Welcome to the Philco Phorum.
I can see why you want to find good reproduction parts. That is a bea...MrFixr55 — 11:10 PM |
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HiFi (Chifi) tube amp build - but my own design.
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| Tim,
I have some bakelite sockets in my work shop that I can dig up. I believe quite a few are NOS. I will take photo...RodB — 10:03 PM |
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Philco 610B oscillator wiring
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| > The cathode as noted is wired directly to the ground side of the heater filament for that tube, not to the #17 and ...Radioroslyn — 08:12 PM |
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HiFi (Chifi) tube amp build - but my own design.
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| Tim;
I noticed your post a little late, but I would take one of the junk sockets and try to break a chunk out of it wi...Arran — 08:07 PM |
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Need to purchase some accessories for restoration of my Old Philco Radio
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| Here is a list of resources found in our online library that you might find useful. Mike's Gobs of Knobs email addres...klondike98 — 01:46 PM |
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First Radio restoration
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| Hi Tubeman,
Welcome to the Philco Phorum. Phamily Phriendly Pfun with Phine Pholks Phull of Philco Phacts. (See a p...MrFixr55 — 12:33 PM |
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First Radio restoration
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| You could post in the WANTED ADs section here on the Phorum and see if anyone has an RF generator that they want to sell...klondike98 — 11:55 AM |
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Zenith H725
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| Good ideas, thank you Arrange and Rich. I have the adhesive aluminum foil already and can try that immediately.
More ...EdHolland — 10:18 AM |
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Graphics for majestic 1050 dial glass.
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| Murf;
I found this thread on the ARF, the first photo has a pretty good view of the dial glass.
Regards
ArranArran — 01:12 AM |
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Zenith H725
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| hello Ed,
how about that speacial tape used for ducting it's like foil or how about thin piece of
aluminum roof flash...radiorich — 12:19 AM |
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