Richard H. Dorf, 'The Universal Vibrato,' in: Radio News, April 1954 🇺🇸

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modman
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Post by modman »

Hi-res PDF:
H Dorf - Universal Vibrato - tube 1954.pdf
(1.48 MiB) Downloaded 142 times
Radio-News-1954-04-R-OCR-Page-0052.jpg
Universal Vibrato 2.jpg
Dorf Tube Virbrato 3.jpg
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ppluis0
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Post by ppluis0 »

FYI, if any member try to build this unit:
6SN7 tube has a gain of 20, thus is equivalent to 12AU7
6SL7 has a gain of 70, so is equivalent to 12AT7
Cheers,
Jose
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