[sdiy] (de)coupling capacitors

[M.A. Koot]

Hi all,

This subject has probably allready been discussed, but I'm affraid my synth-DIY database isn't large enough to find that may-have-past discussion.
The situation is that I'm building a filtercircuit which has a coupling and decoupling capacitor of 10uF. This is rather large, and since I believe these capacitors have to be rather good, I'm questioning myself what kind of capacitor would be best.
In fact, what capacitor would be overal best for coupling/decoupling functions? Styroflex maby?

Since this particular one is that large, I can use a electrostatic one (bad, isn't it?), or an expensive MKS one. Could anyone maby tell me if it's worth the price to buy a MKS, or better, does one hear actually a difference using MKS instead of electrostatic, or is that just rubbish?

Cheers,
Michiel
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