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Dynamic Measurement and Interpretation of the Nonlinear Parameters of Electrodynamic Loudspeakers

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An extended model of nonlinear loudspeaker distortion represents both closed- and vented-box systems. The nonlinear parameters, which vary with voice-coil displacement, are measured dynamically, and the coefficients in their series of expansions are determined. This method identifies the dominant causes of distortion and suggests constructional improvements. Calculated second- and third-order distortions agree well with the measured responses.

JAES Volume 38 Issue 12 pp. 944-955; December 1990
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AES - Audio Engineering Society