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ANSI/ASA S3.7-1995 (R2008)

Method for Coupler Calibration of Earphones

The physical configuration and acoustical performance of couplers for calibration of supra-aural and insert earphones are specified. The standard which is a revision of S3.7-1973, describes a family of 6.0 cm3 and 2.0 cm3 couplers, and provides information on the methods for coupler calibration of the respective supra-aural and insert earphones.


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Acoustical Society of America [ASA]


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