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.
WITHDRAWN
SRPS EN 60318-3:2010
95.99
Withdrawal of Standard
Jun 28, 2018
PUBLISHED
SRPS EN 60318-3:2015