"I believe this is attributed to Jon Risch. I had been running my Pi Theater 4s bi-wired which I thought was superior to the X-over wired together. The "mod" is to join just the grounds of the different drivers and leave the positive leads separate. I heard signifiantly more coherent sound with more realistic and powerful dynamics. Downside is a bit more blurring of the outlines of each sound; but this seems to be an overall better musical presentation. I'd like to hear others' opinions on this technique."

Thanks!

G.