Technical and speculative discussion of amps, cables and other topics.
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Posted by Commuteman on August 14, 2003 at 14:30:53:
The comments you made about the relationship between amplifier output Z, cable type and IM attenuation sound like a good model for predicting which combinations are likely to benefit from bi-wiring.
Obviously, the xover topology is also an important factor, since it will affect the accuracy of your simplified circuit for one driver driving the other, and the range of frequencies over which biwiring would reduce IM. I would imagine that the series impedance of most xovers sections around the xover point is somewhere near the impedance of the driver, which should be much higher than the cable and amp output impedance. Doesn't this reduce the potential benefit of biwiring?