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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Tube Power Amps ... power supply capacitance. posted by Tom Bavis on April 9, 2014 at 17:50:40:
Since stored energy is 1/2 C * V^2, the difference may not be as big as it appears. 100 uF at 400V holds the same energy as 10,000 uF at 40V."
Add on the fact that chokes are usually used for added smoothing in tube amps - or should be!
You can use chokes in SS amps and they are remarkably effective - it's kind of lazy just to use monster caps.
And in any case, polypropylene caps in tube power supplies sound so much better - I'd take 100uF polyprop over 1,000uF electrolytic any day. But I also use DN2540 and glow tubes for the input stages to get better smoothing anyway.
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- There's your answer - andy evans 07:18:58 04/10/14 (0)
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