Performance equations are developed from an electrical mobility model of a typical electromagnetic compression driver. The analysis is independent of impedance and relates ultimate performance to material, air, and phase-plug variables. Two new performance variables are defined; Bandwidth Ratio (BWR) and Bandwidth-Efficiency Product (BEP). BWR relates acoustic power output and bandwidth. BEP is the product of electroacoustic efficiency and the mass-controlled half-power frequency.

Author: Henricksen, Clifford A.
Affiliation: Altec Corporation, Anaheim, CA
AES Convention: 54 (May 1976) Paper Number: 1126
Publication Date: May 1, 1976

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