Historical
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.
Content Provider
Acoustical Society of America [asa]