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Standard
IEC TR 60303:1970

IEC TR 60303:1970

IEC provisional reference coupler for the calibration of earphones used in audiometry

Coupleur de référence provisoire de la CEI pour l'étalonnage des écouteurs utilisés en audiométrie

Date:
1998-08-07 /Anulada
Summary (English):
The coupler is recommended as a simple and ready means for the exchange of specifications on audiometers and for calibration of earphones used in audiometry, even though the sound pressure developed by an earphone is not, in general, the same in the coupler as in a person's ear. Has the status of a technical report.
Summary (French):

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