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Analysis of a Folded Acoustic Horn

A boundary-element model is used to analyze the acoustic behavior of a folded horn. Results from the boundary-element model are compared with measurements of the throat radiation impedance and the far-field acoustic response. Further analysis shows how a oneparameter model can be derived from the boundary-element results and used to gain insight into the behavior of the folded-horn loudspeaker system. It is shown that a one-parameter model can be used to describe the behavior of the folded horn over a useful frequency range.

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JAES Volume 52 Issue 10 pp. 1029-1042; October 2004
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