Dielectric can indeed have something to do with high frequency loss.

That's why one of the specifications for a coaxial or, in the case of the common low impedance mic cable, a biaxial cable is the capacitance per foot.

If the cable exhibits high enough capacitance per foot and if said cable is also long enough, for the capacitance here is additive, then we can indeed reach a point where the higher audio frequencies become attenuated.

In a really cheaply made cable, the problem can reach way down into the actual CENTER audio frequencies, too.

Still, going with one of the "middle of the road" priced cable sets would very likely keep the average performer out of trouble without having to first earn a Bachelor's in Electrical Engineering.

The Time Alignment thang is kinda funny, though.

--Mac

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