Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry EN 60318-3:1998
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.
Life cycle
NOW
WITHDRAWN EN 60318-3:1998 99.60
Withdrawal effective Jan 15, 2018