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Ultimate Performance of Wide-Range High-Frequency Compression Drivers

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Performance equations are developed from an electric 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 ration (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.

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JAES Volume 24 Issue 8 pp. 639-642; October 1976
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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=2596

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AES - Audio Engineering Society