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City: Irvington, NY
I bought my variable transformers at hamfests or flea markets, where they usually can be gotten at a good price.
Yes, connect the 6.3 V secondary in series with the hot side of the line. You connect the primary to the line and neutral. The phase will determine whether the secondary voltage adds or subtracts from the line voltage. If the voltage is higher than the AC input, just reverse the leads to either one of the windings.
You can put the transformer in a box with a line cord, fuse, and outlet, so any radios you plug in will see the reduced line voltage
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RE: Model 89 Cathedral - by Mondial - 02-07-2014, 05:35 PM
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12' Philco
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Bob
Thanks for that photo.
I have been looking for it, and I cannot find anythinmg on the web.
I forgot it was here...morzh — 08:29 PM |
Shadow Meter Bulb
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I think after all has been said, I will use the same bulb that is specified for the dial pilot light which is a #55.
I ...georgetownjohn — 07:31 PM |
12' Philco
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There was also this Philco!
klondike98 — 07:25 PM |
HiFi (Chifi) tube amp build - but my own design.
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I expected a challenge and this is just part of it. But, it's also supposed to be fun, entertaining, informative and enj...TV MAN — 07:12 PM |
Shadow Meter Bulb
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Butting in here with a question. Since the shadow meter is connected directly to the 1st and 2nd I.F.'s wouldn't the met...RossH — 06:43 PM |
HiFi (Chifi) tube amp build - but my own design.
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Mike, Tim; you are about to enter the twilight zone. Doo doo doo doo, doo doo doo doo
This is something alright. I'm go...RodB — 06:26 PM |
HiFi (Chifi) tube amp build - but my own design.
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:lol: We need to start a singing radio group! I play the guitar, so maybe get a few vocals? Anyways, Mike, I did try mou...TV MAN — 05:56 PM |
HiFi (Chifi) tube amp build - but my own design.
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And so does a barber shop quartet. mmmmmmRodB — 03:54 PM |
Shadow Meter Bulb
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I did try an LED bulb in place of the original but wasn't impressed with the amount of light on the dial. Seems like it ...RodB — 03:51 PM |
HiFi (Chifi) tube amp build - but my own design.
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Tim
Would mounting he transformer vertically change the hum, if used without additional parts?
Also, in these amps...morzh — 02:25 PM |
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