Mark, It probably makes everything more warm and laid back sounding to compensate for the bright wires you are using. Try different speaker wire.
Stop teasing my speaker wire!
You weren't there for the sales pitch, you don't know the power of the dark side of the high-end demo.
I was young and naive; I was just taking orders! But even if they don't add anything to the sound, you cannot deny that the beryllium wire supports they sold me help the timber harmonics in the 3rd Octave on the second order reflection...right? it says so right on the box man.