Originally posted by philthien
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Easiest way to remember is 1kHz wavelength ~ foot, and it all scales off that (500Hz = 2 ft, 2 khz = .5 ft...). I thought Bill was saying that group delay distortion (ie different frequencies having different delays to your ears) was most audible 300-700Hz, but its not what he was saying.
No, I wan't saying moving the driver a foot is unrecognizable. It will change the off axis radiation pattern which changes total power response, response at reflection points etc and that's audible. What wouldn't be audible is the effect on group delay, the limits of audibility of which was studied using headphones
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