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Procedures for loudspeaker measurements

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3 Author(s)
P. J. Chavasse ; Centre National d'Etudes des Télécommunications, Palais eau, France ; R. Lehmann ; M. Copel

In this study the authors try to define the instrumentation and measurement procedures for the acoustic calibration of loudspeakers. They give some indication of the characteristics of the instrumentation and then specify the measurements to be taken in order to determine the acoustic (performance) quality of a loudspeaker. They review successively the following problems: frequency response characteristic, directivity, harmonic and intermodulation distortion, impedance characteristic, efficiency, and transient response. For each they propose a method of measurement and give some practical examples of results obtained.

Published in:

IRE Transactions on Audio  (Volume:AU-6 ,  Issue: 3 )