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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a horn of a conventional
horn speaker, FIG. 2 is a cross-sectional plan view of the horn divided vertically at 0-0 ′ in FIG.
1, and FIG. FIG. 4 is a directional characteristic view of the prior art example, and FIG. 5 is a
characteristic view of the main part of the horn speaker according to the present invention. B:
Horn, ST: Horn throat area, X: Distance.
[Detailed description of the invention]