Re: Capacitor Guide for idiots. Help please.
The audio folks have a lot of folklore but there can be a grain of truth in there sometimes...
One thing to check is that some types of capacitors have a capacitance that varies with applied voltage thus making them non-linear. In many applications this doesn't matter but I see why it might in an LS cross-over network.
Of course the non-polar electrolytics will do that too because the dielectric film is slightly formed and destroyed over a cycle so you can get the effect that a "perfect" capacitor could make it sound different, not just because of different ESR.
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