regular interconnect for digital signal transfer

I have tried many, including 1.5M ones. Some were designed for digital, some standard ICs. I previously used a 1.5M Transparent Reference, which is considered one of the best on the market and costs roughly $1500. I am now using a VDH The First Ultimate which is a better match for my system. This has also been the experience of HIFICRITIC, which often used standard ICs, including the one I use. I suggest you try it yourself as you probably have spare ICs around. For me the 1M VDH sounds considerably better than my 1.5M Apogee Wydeye which is suppose to be very good. Also HIFICRITIC does very detailed jitter tests and they have not found problems with standard ICs or extra performance in the 1.5M length. EVERY cable I or my friends have tried on a variety of systems sounds different, we tested 8 one afternoon; I have not tried balanced in on CD; my old line stage didn't have balanced in, my new one does but I am happy with SE so far. If you have a balanced cable or can get one on approval I think it is worth a try.

I gave the Wyde Eye as an example of a "correct" design that is also recommended by Stereophile. What I was trying to say is that there are other factors involved in the sound of ICs that are not easily measured, I would never argue theory with Al. I bought my Transparent used so I didn't pay $1500 either; there are so many on the market that I have heard only a fraction of them and none of those you mention. And at todays prices buying a one meter and a one and a half to compare is quite expensive. Mine have been either one or the other; the VDH digital cable [ not the First Ultimate] does not even come in 1.5. I have also found silver and copper to sound different [Duh!].

I should have mentioned that I am a VDH dealer, although since I have sold 2 pairs and a Digital cable in the last 2 years the may have forgotten me at Bluebird. The Digital cable is quite good also and I am going to get a couple more myself when I get up the next order. While the Opti-Coupler comes in 1.5 both the Digi-Coupler and the MC-Silver are cirrently listed in 1M and .6M only; this does not mean that there are not 1.5s floating around.