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Re: Those who know Bob Pease...


First, it comes from my own measurements, published with Walt Jung in 1985, but it is also in 'The Secret Life of Capacitors' , part of a reference book I think. Typical numbers for DA:
Mylar 0.5%
Polystryene .02%
Aluminum foil 10%

I have measured over 6% with the so called Jung/Curl DA test back in 1985. This was published in "A REAL-TIME SIGNAL TEST FOR CAPACITOR QUALITY", 'The Audio Amateur' 4/85 and in 'High Fi News' sometime later.

And these are harmonic distortion figures? Or are they just percentage figures of the recovered voltage?

se




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