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Feedback Linearization of Nonlinear Distortion in Electrodynamic Loudspeakers

It is shown theoretically that Kaizer's low-frequency model for nonlinear distortion in electrodynamic loudspeakers is feedback linearizable in current drive as well as in voltage drive. This means that there exists some nonlinear feedback mechanism such that the given system can be transformed into an exact linear system, provided one has full state information and there would be no parametric uncertainty or noise on the nonlinear loudspeaker dynamics.

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JAES Volume 43 Issue 9 pp. 690-694; September 1995
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