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Zenith H725
#20

Had a little fun with the Zenith today.. I'll get pictures up here later. The first thing I tackled was documenting everything with pics, then carefully removing the chassis. One of two cord drives broke while I was looking it over, but I got that fixed already, and have the tuning mechanism running much freer already.

The radio has a date stamp under the chassis declaring 10 Jun 1954, so it is a later model. The OP tube is a 35C5, so the schematic I have is not necessarily correct (it lists 35B5).

All the valves seem to have good filaments, but there is a selection of makes, RCA, Ratheon, Philco and a lonely Zenith, suggesting some replacements have been made.

There are also a number of paper caps, and two black-beauty types, so there's a bit to go through. Should I stuff? The main PSU filter is 80,40,40,40 uF. Haven't decided on the path forward with that yet.

I spent a bit of time on the Bakelite case, and have that looking really nice already.

All good fun.

I don't hold with furniture that talks.


Messages In This Thread
Zenith H725 - by EdHolland - 03-17-2025, 09:45 PM
RE: Zenith H725 - by MrFixr55 - 03-17-2025, 10:24 PM
RE: Zenith H725 - by EdHolland - 03-18-2025, 11:52 AM
RE: Zenith H725 - by David - 03-18-2025, 01:48 PM
RE: Zenith H725 - by EdHolland - 03-18-2025, 06:09 PM
RE: Zenith H725 - by Arran - 03-18-2025, 10:08 PM
RE: Zenith H725 - by RodB - 03-19-2025, 10:04 AM
RE: Zenith H725 - by EdHolland - 03-19-2025, 10:46 AM
RE: Zenith H725 - by morzh - 03-19-2025, 12:38 PM
RE: Zenith H725 - by RodB - 03-19-2025, 12:55 PM
RE: Zenith H725 - by morzh - 03-19-2025, 01:25 PM
RE: Zenith H725 - by David - 03-19-2025, 03:49 PM
RE: Zenith H725 - by Arran - 03-19-2025, 04:45 PM
RE: Zenith H725 - by Paul Philco322 - 03-19-2025, 08:13 PM
RE: Zenith H725 - by EdHolland - 03-20-2025, 12:34 PM
RE: Zenith H725 - by MrFixr55 - 03-20-2025, 12:59 PM
RE: Zenith H725 - by EdHolland - 03-20-2025, 08:40 PM
RE: Zenith H725 - by MrFixr55 - 03-21-2025, 08:59 AM
RE: Zenith H725 - by radiorich - 03-21-2025, 09:29 AM
RE: Zenith H725 - by EdHolland - 03-21-2025, 09:41 PM
RE: Zenith H725 - by MrFixr55 - 03-21-2025, 09:53 PM
RE: Zenith H725 - by EdHolland - Yesterday, 03:17 PM
RE: Zenith H725 - by EdHolland - 11 hours ago
RE: Zenith H725 - by RodB - 10 hours ago
RE: Zenith H725 - by Arran - 10 hours ago
RE: Zenith H725 - by MrFixr55 - 8 hours ago
RE: Zenith H725 - by EdHolland - 8 hours ago
RE: Zenith H725 - by radiorich - 7 hours ago
RE: Zenith H725 - by radiorich - 6 hours ago
RE: Zenith H725 - by MrFixr55 - 6 hours ago
RE: Zenith H725 - by radiorich - 5 hours ago



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Recent Posts
Zenith H725
Hello Mr Fixr, You are right it is a model 7H820 Sincerely Richardradiorich — 12:17 AM
My Philco 37-116 Restore
Exactly. It's just that they had limited variety of caps; it was much cheaper. What does it matter if the cap costs you ...morzh — 10:50 PM
Zenith H725
I have the same set. I don't think it is an H725 but it is very similar. I believe that this is 7H820. It has 3 bands...MrFixr55 — 10:39 PM
Zenith H725
Hello Ed, Far as grommets go I have had this Heyco kit for long time . Sincerely Richardradiorich — 10:35 PM
My Philco 37-116 Restore
Hi Dan, Chances are that the 1000V cap is what they had available. The cap in question couples the detector to the ...MrFixr55 — 10:25 PM
Zenith H725
Hello Ed, I have a Zenith model H725 but my Cabinet is not the same one as your !! Here is a Photo of mine . Sincer...radiorich — 10:22 PM
Zenith H725
Thanks for the info - I'll look around. It's not a big deal, but good to know I can plan ahead for some less expensive g...EdHolland — 08:40 PM
Zenith H725
I think if you went to Homeowner #&!!, they would probably be just as expensive. I have been going to my hardware s...MrFixr55 — 08:34 PM
Zenith H725
Ed; I used to get packs of grommets from some auto parts stores, it's been a while but they were less then half that ...Arran — 07:05 PM
Zenith H725
Ed, I can get 125 piece grommet assortment from Amazon for 6.99 free shipping, delivery Tuesday.RodB — 06:52 PM

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