A simple criterion for the design of acoustic lenses is developed. An experimental study of a lens designed to increase the dispersion at 4000 Hz of the far field of a seven inch driver is described and compared to the theoretical predictions.

Author: Geddes, Earl
Affiliation: Department of Physics, Eastern Michigan University, Ypslanti, MI
AES Convention: 61 (November 1978) Paper Number: 1401
Publication Date: November 1, 1978

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