The difference in conductivity is something like 5%, which can easily be compensated for, if desired, by using 5% more copper. I have owned silver cables and copper cables, and have never, with any of them, found the old audiophile truism that silver is brighter to be valid. I do tend to keep my stuff for a very long time, so the fact that silver, when it oxidizes, remains conductive is attractive to me in terms of longevity. In any event I can say that these are good sounding cables; whether they are good sounding because they are silver instead of copper I can't tell you. To say that, someone would have to compare a silver cable with essentially the same design (perhaps with 5% more copper) in copper. That would be a fun experiment to do.