Posted by Wayne Parham [ 64.216.179.54 ] on December 31, 2004 at 13:30:12:
In Reply to: horn surfaces posted by Floyd Andrews on December 31, 2004 at 11:48:19:
It depends on the frequency, and surface irregularities are a matter of scale. At low bass frequencies, even a very rough stair-step curve for a flare wall surface is fine. Bass wavelengths are measured in dozens of feet, so deviations on the surface can be several inches and not matter. But at 20kHz, the wavelength is about an inch and a half, so I would rather have a pretty smooth tweeter flare.
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