Posted by Wayne Parham [ 66.137.58.10 ] on July 21, 2004 at 06:18:43:
In Reply to: Re: Qustions regarding midrange horn. posted by kupfer_m on July 21, 2004 at 05:39:14:
For a straight sided horn, you basically set the angle you want for the dispersion pattern. At low frequencies, the flare will cease to set the radiation angle and the mouth will act more like a diffraction slot or pinhole, so the pattern will widen. The point where this occurs is determined by the size of the mouth. But for the most part, the wall angle sets the dispersion pattern.
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