IEC 60318-3:1998
$22.75
Electroacoustics – Simulators of human head and ear – Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
| Published By | Publication Date | Number of Pages |
| IEC | 1998-08-07 | 26 |
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).
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