Ben Diss;193556 Wrote: > To conduct the tests I first made a set of jumpers using 12 gauge > speaker wire soldered to gold plated banana plugs. > > Test 1: > > For the first tests, I left the speaker cables attached and only used > the jumpers. For test one, I jumpered the negative side only. > Listening to my favorite test track, Hotel California on the Eagles > Hell Freezes Over CD, I had my wife alternate having the jumper in and > listening without it. I could hear no difference. > > Test 2: > > This time we alternated jumping both sides. We went back and forth > three or four times and I heard no difference. > > Test 3: > > Now we disconnected one half of the bi-wire speaker cable and left the > jumper in. Again, lots of listening and no difference. > > Test 4: > > I the other thread it was suggested that there might be a difference in > SPL. During the test 3 listening I thought I might have heard a > reduction in volume so I played a 1khz test tone and measure SPL with > wires configured for both bi-wire and jumpered. The power of > persuasion is pretty strong as both tests measured exactly 92db. > > So thats it. There may be electrical differences with bi-wired speaker > cables but on my system at least, I could not hear them. > > -Ben How long are your speaker cables? Presumably, the effects of bi-wiring (if any audible effects exist) would be more evident the longer the speaker cables.
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