IEC 60318-3:1998

August 1998

International standard Cancelled

Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry

Describes an acoustic coupler for loading supra-aural audiometric earphones as specified in ISO 389 with a specified acoustic impedance, when calibrating audiometers, in the frequency range of 125 Hz to 8 000 Hz. Cancels and replaces IEC 60303 (1970).

Main informations

Collections

International IEC standards

Publication date

August 1998

Number of pages

17 p.

Reference

IEC 60318-3:1998

Print number

1 - 13/06/2005

Sumary

Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry

Describes an acoustic coupler for loading supra-aural audiometric earphones as specified in ISO 389 with a specified acoustic impedance, when calibrating audiometers, in the frequency range of 125 Hz to 8 000 Hz. Cancels and replaces IEC 60303 (1970).

Standard replaced by (1)

IEC 60318-3:2014

December 2014

International standard Current

Electroacoustics - Simulators of human head and ear - Part 3 : acoustic coupler for the calibration of supra-aural earphones used in audiometry

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