How much improvement with better toslink cable?

Glass toslink make a huge improvement over regular in my opinion. I have detected almost zero difference between cheapo and branded non-glass toslink, but the upper end Audioquest and Wireworld supernova 5+ toslink will stand out far above the standard toslinks.
I have no experience with the amphenol.
I am a dealer, but do not sell any of the brands mentioned in this reply
good luck

What Buff said. Don't understand why Toslink is so quickly discarded as I've heard it sound superior to coax on more than one occassion.

I can tell a definite difference when using a Virtual Dynamics Master digital cable in my system on some recordings.

I cannot tell any difference in clarity, but I like the way the VD cable presents its sound stage differently. To me it seems that each instrument is not only in its own space, but that I can focus in on each musicians feelings of the music. I don't get this on all cd's, but I do notice this when using the Virtual Dynamics cable. This probably sounds absurd to some of you, but I can tell the difference and I know it is not just about the ones and zeros.

Mattzack2,

I think it is possible to hear such differences in some scenarios with these cables where things are just not going right with the cable, but that it's just not as common place nor as significant a difference perhaps as I find typically with different ICs say.

Here is how I shopped Toslink. I contacted Steve at The Cable Company www.fatwyre.com, and I used their cable lending library. Upon his suggestion I got a wireworld 5 and a Cardas cable that he suggested I try. The wireworld was very analytic and the Cardas was much more warm sounding. I wound up buying each cable as I has use for each of these qualities.

You have to call them about the lending library. It is not easy to find on their web sight.

Borrow some cables and shop without spending money on experiments. Yes, to answer your question glass is better.