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Do you agree... if not, then why not?
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Well, I generally agreed with all of them except for the bi-wiring theory..... which said in part:
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- biwiring is pure voodoo. If you move one pair of speaker wires to the same terminals where the other pair is connected, absolutely nothing changes electrically. The law of physics that says so is called the superposition principle. In terms of electronics, the superposition theorem states that any number of voltages applied simultaneously to a linear network will result in a current which is the exact sum of the currents that would result if the voltages were applied individually.
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True, of course, but it assumes that the bi-wire speaker cables present a zero impedance, and that distortion from one driver will not affect the performance of the other driver.
Superposition only holds true for a linear system. Bi-wiring will only theoretically be a benefit when drivers distort and linearity is no longer maintained.
With sufficient voltage a driver can deviate from ideal linearity so the current in that connection between the low output impedance of the amplifier and the woofer (in this case), will carry harmonic distortion components which can create intermodulation products. In a simple non-bi-wire situation, the tweeter driver terminals will see these distortion components through the speakers low to zero impedance straps (when a single non bi-wire set of cables is used).
The theoretical advantage is now valid if you assume a set of bi-wire speaker cables has some finite impedance (obviously, the longer the cables, the more pronounced the effects will be). When bi-wire cables are used rather than single wires with straps, the distortion components (caused by the woofer driver) will have a lower impedance path to the amplifiers low output impedance sink, rather than travel back and down the tweeters speaker cable.
Yeah, you're right, it's a small advantage and you could argue that the tweeters crossover would help to reduce the problem, but I suppose you could argue that the harmonic and intermodulation products will be at a higher frequency and may pass through to the tweeter driver.
The entire advantage is gained by asking this question. From the perspective of the woofer driver terminals, which is the lower impedance path to the tweeters driver terminals? Is it a set of straps in a non bi-wire situation, or is it the route of a set of bi-wire cables that has a theoretical ideal voltage source (amplifiers low output impedance) in the path?..........
Oh, did I mention that the benefit would be about the same result as attempting to slow your car down by putting your hand out the window? I never said you could hear the benefits of bi-wiring, I just said that the theory is there to not vote yes to the poll question........
brucek