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AC/DC Transformer-less Sets
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| Some of the original Edison DC generators were in use until the 1940s. The NYC subway and electrified Long Island Rail ...MrFixr55 — 09:39 AM |
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Samlex heavy-Duty bench supply filter question
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| I suggest sticking with the original values. Depending upon the design if you increase the cap values too much the incre...DaleHCook — 08:55 AM |
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AC/DC Transformer-less Sets
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| You’re welcome! I was born in 1995, so this is all second-hand information to me from the industry. I did some research ...jrblasde — 08:38 AM |
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Samlex heavy-Duty bench supply filter question
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| Hello Everyone,
I have one of my Heavy-duty bench powersuplies made by Samlex it's 13.8 volt dc 20-25 amp supply.
What I...radiorich — 11:24 PM |
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Looking for place to donate unique Philco Philco J-1930 Prototype
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| It's a Glaser Sears changer which Philco's engineers thought was an upgrade over a VM, but in retrospect I'd prefer the ...jeibner — 10:39 PM |
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AC/DC Transformer-less Sets
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| Joseph,
Thank you for the confirmation. I knew that there must be more to the Transformer-less AC/DC radios than the ...PeterN — 10:30 PM |
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AC/DC Transformer-less Sets
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| Good evening, folks. Power station engineer here!
The east coast had pockets of DC-only power well into the twentieth...jrblasde — 10:11 PM |
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AC/DC Transformer-less Sets
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Model 40 does not have a rectifier, so it would be a DC only model.
This however does not say anything about using...morzh — 08:01 PM |
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AC/DC Transformer-less Sets
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| I was wondering if anyone knows if these AC/DC transformer-less sets were actually used on 110v DC anywhere, and when.
...PeterN — 06:35 PM |
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Looking for place to donate unique Philco Philco J-1930 Prototype
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| Given the 1960s vintage, it is likely that the cartridge is ceramic, likely more stable. The changer looks like a Voice...MrFixr55 — 05:03 PM |
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