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Direct-Radiator Loudspeaker Systems with High Bl

In an extension of an earlier paper by the authors additional consequences of a dramatic increase in the motor strength Bl of a driver are shown. Not only is the efficiency of the loudspeaker and amplifier greatly increased, but high Bl values have a positive influence on other aspects of loudspeaker systems. Box volume can be reduced significantly and other parameters can be altered. A prototype driver unit is studied, which performs well in a small sealed box. Vented systems do not benefit as much from high Bl.

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JAES Volume 51 Issue 7/8 pp. 625-634; July 2003
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