Biwire with different cables?

I think that the fact that you will be biwiring will make much more of a difference in improving bass tightness than the type of wire you choose to do it with (assuming, of course, that the gauge is adequate).

In bi-wired configuration, back-emf from the woofer is conducted exclusively back to the amplifier output, where it is effectively damped by the amplifier's low output impedance. In non-biwired configuration, some fraction of the back-emf generated by the woofer is conducted through the jumpers to the terminals for the mid/hi frequency drivers, where it is less effectively damped due to the higher impedance presented by those drivers, and more significantly, some fraction of that back-emf will cause extraneous sound to be produced by the mid-frequency driver, resulting in muddied bass.

So I don't think that there is any point in spending huge $ on silver cables, even though as you probably realize they have lower resistance/better conductivity than copper (for equal gauge and length). And conceivably having different cable types for the two runs could negatively impact overall coherence.

Regards,
-- Al

When I wrote the preceding post, obviously I overlooked your statement that you are already bi-wiring, with Anti-Cables. Given that, I have no particular suggestions beyond the thought that I would be hesitant to invest in silver cables (or other expensive cables), at least without having return privileges. And I think that Stan has made some suggestions which seem well worth trying.

Regards,
-- Al

It might be a bit different but it isn't going to get better..maybe worse. Anti-Cables are very, very good.

Or very, very bad; depending on taste and system. The magnet wire I mentioned is available for about 60 cents a foot so experimenting with it is cheap. There are two schools on using the same wire, one holds that you can optimize the wire for the task at hand, heavy wire for the bass and thin for the upper frequencies. The other is to use the same wire for both. I would probably do the latter out of an unwillingness to spend time experimenting except that I don't want to spend the money right now duplicating my Cardas Gold Reference . Even Cardas doesn't use the same thickness of cable for jumpers as it is. So I am using double runs of OCOS for high end. I was EXTREMELY reluctant to spend big money for long cables so I tried several cheaper alternatives including anti-cable. None was satisfactory IN MY SYSTEM. EVERYTHING you can conceive of has been recommended one time or another by someone. One web reviewer uses romex and insists it is better than any exotic cable. So I would try inexpensive alternatives or ones that can be returned first and see what YOUR impressions are.