IEC 60318-3:1998 ED1

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

Publication date:   Aug 7, 1998

General information

99.60 Withdrawal effective   Dec 11, 2014

IEC

TC 29

International Standard

17.140.50   Electroacoustics

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Scope

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).

Life cycle

NOW

WITHDRAWN
IEC 60318-3:1998 ED1
99.60 Withdrawal effective
Dec 11, 2014

REVISED BY

PUBLISHED
IEC 60318-3:2014 ED2