Capacitor Biasing in Crossovers

[bfish]

Thanks, bfish,

Interesting, especially the bit about capacitor transient response. I would like to see the math or physics behind the claims.

Marshall.

You're welcome.

Well, zero-crossover distortion is well documented. Various amp topologies address it (or not) in different ways. By biasing the signal with a DC offset, you can elevate it so it never crosses zero. The CC method definitely achieves this, at least as long as the circuit voltages don't exceed the bias level. The only real question...is it audible, or at least enough to warrant doubling the size and cost of the crossover capacative elements.