Re: Coaxial versus Toslink/Optical
For what it's worth, I auditioned 1m toslink and coax cables in a fairly hi-end system and could tell no difference. I think the audiophile argument about toslink goes something like:
Inexpensive plastic multimode fiber is used in toslink.
Because the fiber is multimode, light from the source travels to the destination along different paths and arrives at different times causing jitter.
Coax, on the other hand, conducts the signal electrically and, as long as the characteristic impedance of the source, cable and destination match, no jitter will be introduced.