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About This Item

 

Full Description

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.
 

Document History

  1. IEC 60318-3 Ed. 2.0 b:2014


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

    • Most Recent
  2. IEC 60318-3 Ed. 1.0 b:1998

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

    • Historical Version