Wayne Parham Messages: 18778 Registered: January 2001
Illuminati (33rd Degree)
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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