[sdiy] The best types of capacitors to use when designing a VCF

Mattias Rickardsson mr at analogue.org
Sun Sep 25 10:23:59 CEST 2022

ColinMuirDorward via Synth-diy <synth-diy at synth-diy.org> skrev:

> I did a kind of blind test between c0g vs wima polypropylene, in a 2164
> based 2pole SVF, and the wimas won. In other circuits, like the ms20 VCF
> for eg, I think it mattered less if at all.
> In hifi mastering type units it’s definitely a thing to use wima for
> filtering. I think they look good on the board and are easy to spot (for
> the glam shots) and are known to sound good, so probably a good choice.

Technically, what are the known differences between C0G and polypropylene

Are there non-ideal behaviour in polypropylene that makes filters "sound
good", or is C0G in fact less ideal in some respect?


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