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Nonlinearities in Moving-Coil Loudspeakers with Overhung Voice Coils

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A technique is described which enables profiles of transduction coefficient B1 versus cost position to be plotted for an assembled loudspeaker, with voice coil current as a parameter. The performance of a system comprising a prototype loudspeaker with extended center pole and compensating winding, combined with digital forward error correction is described. This system simulates a linear motor with very low distortion.

JAES Volume 39 Issue 4 pp. 219-231; April 1991
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AES - Audio Engineering Society