Posted by Wayne Parham [ 70.234.147.233 ] on August 30, 2006 at 20:30:00:

In Reply to: It's not for me to say but posted by wunhuanglo on August 30, 2006 at 19:32:17:

Bingo. That's part of it. Also think of the phase change in the crossover and in the cabinet, horn, Helmholtz resonator, and so on. There are a lot of places where phase changes and a lot of others where fixed time-offsets occur. You can't correct one with the other 'cause they're not the same thing. A good loudspeaker design comes close, and as long as sound sources are within 1/4λ, it's all good. But to try and get all sound sources aligned at perfect zero phase shift across the audio band is just not possible, not with current technologies using coils and capacitors and motor-driven loudspeakers.

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