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Old 12th Oct 2019, 2:03 pm   #15
Join Date: Nov 2016
Location: Budapest, Hungary
Posts: 348
Default Re: Vintage Radio and Phonograph cutter schematic

hey Guys...if any of you still around this thread, could you please help me finding out what voltages I should expect at the output transformer primary going to the .1uF and 25k resistor showing on the schematic?

I do not have any information on the output transformer..nothing is written on it please if you could help me out on this would appreciate it.

Is this the plate voltage? I see a 0.01uF at the 6v6GT plate rated 1000V means the plate should be there around 400-450? but Is that also on the transformer primary winding directly connected to the 25k resistor .1 400V rated capacitor to the switch and the cutter head?

or this should be much lower as that cap is rated only 400v?

thank you so much !
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Last edited by Levente; 12th Oct 2019 at 2:10 pm. Reason: missing
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