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I used to service Hammond tone wheel generator organs where the vibrato was generated with a variable cap turning at a specific speed. it was common to develop a very choppy vibrato because of the metal growing hairs that would short out the plates. The easy solution was to zap each section of the cap with high voltage from the rectifier, burning off the hairs. Perhaps your cap decided to be a long haired hippie?
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RE: Another 7G605 Zenith TO - by rfeenstra - 05-17-2019, 12:29 AM
Users browsing this thread: 31 Guest(s)
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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 |
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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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Gary
I doubt it would introduce any noise. We use similar lamps for the panel indication, 12V AC lamps: they are LEDs...morzh — 02:15 PM |
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Not sure if anyone has tried this but there are 6.3 volt miniature lamps in bayonet and screw-in base options available ...GarySP — 11:31 AM |
Shadow Meter Bulb
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Any 6.3 volt pilot light will work. I would use the brightest one I could find in my workroom. Be sure the dial is clean...RodB — 10:45 AM |
HiFi (Chifi) tube amp build - but my own design.
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Tim,
nice write up and thanks for sharing !!
Sincerely Richardradiorich — 02:47 AM |
HiFi (Chifi) tube amp build - but my own design.
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Well, this was a real "Hum-Dinger" :lol: ! This will be kinda long, but hopefully it will help others having t...TV MAN — 01:55 AM |
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