Loudspeaker exponential horn computer model studies indicate that there is an optimum mouth size for a horn of specific cutoff to minimize mouth reflections. Evaluation of the reflection coefficient at the horn's mouth reveals how large the mouth must be to optimally radiate into different size solid angles.

Author: Keele, Jr., D. B. (Don)
Affiliation: Electro-Voice, Inc., Buchanan, MI
AES Convention: 46 (September 1973) Paper Number: 933
Publication Date: September 1, 1973

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