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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Very Impressive DIY OTL Amplifier! posted by mark on February 19, 2001 at 06:42:28:
FrodeYou have outdone us all. Thank you for sharing your Do-it-Yourself OTL project with us. I am curious about two items:
1) Let us know what you did to produce -300VDC using a tube rectifier.
2) Let us know how you overcame the less than 100V heater to cathode maximum rating in your tube SLCF; since the top cathode is at about +125VDC, the middle cathode is at about -50VDC, and the bottom cathode is at about -250VDC.
Great fun, Paul Speltz
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- Re: Very Impressive DIY OTL Amplifier! - Paul Speltz 10:26:47 02/20/01 (0)
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