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Low Frequency Loudspeaker Measurements with an Accelerometer

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Accurate measurements of the acceleration, velocity and displacement of a loudspeaker cone can be carried out with the use of a light accelerometer. From these measurements, the low frequency acoustical steady state performance can be derived. The method is useful in that it dispenses with the need of an anechoic chamber. The accuracy of the measurements permits an easy evaluation of the low frequency loudspeaker parameters.

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