AC coupling capacitors...

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I am building a low pass phase-linear filter and was wondering about output AC coupling capacitors... What composition would you use, MKT, polystyrene, electrolytic, etc...

Thanks for the help.:)

I know some of you advocate no capacitors whatsoever in the signal path, but I do not. ;)
 
sss said:
poliyester will work fine
If one uses, say, a 1µF polyester to a 100K ohm load, is there is any need to parallel it with a 10nF polypropolene (or similar) as the Jung and Marsh Audio article seems to suggest? I still don't understand out how that would help. The DF would seem to be insignificant and the DA wouldn't be reduced. If I were to add one now, it would be with as much understanding as the member of a cargo cult. That's not a happy state of mind for a scientist!
 
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