proof. Who needs proof. I have found (from experience, for my setup) that actually using separate wires from the same posts on the amp to the separate posts (for biwiring) on the speaker does sound slightly better. The first issue is: would a single set of twice as expensive wire sound better? the second issue is does the extra money seem well spent?
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One way to find out is use some cheap wire, try single, then dual wires and see if it sounds better to you. THEN buy some expensive wire. (ordinary A/C zip cord will work for the test, no problem)
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This is very hard to answer for other people with other systems.
I have NOT personally purchased twice as expensive wires to test that idea. I HAVE used cheap wire to try the biwiring idea.
i DO biwire my Magnepan 3.6s from me Bryston 4BSST2 with Kimber 8TC speaker cable/WBT spades and find it makes a slight improvement in clarity.
Again, whether it is worth the money is a different story. I do it because i had part the wire anyway. and the WBT connectors already. if I had to buy new wire... ahhh depends if I felt like blowing the money on foolishness or not. I probably would, but that is just me.
Though i am not into the best cables i can afford. i think cables should be only a modest portion of a system cost. Good, but not break the bank. (10% tops of system cost IMO)
So my spending $500. on wires/connectors when the speakers cost $5,300. is not a problem.
This is my take on it. Others notions may vary.
