Замењен
Specifies two different adapters and the removable conical ring to be used with the IEC 60318-1 ear simulator to provide an interim acoustic coupler for the calibration of certain audiometric earphones designed for use in the extended high-frequency range from 8 kHz to 16 kHz.
ПОВУЧЕН
IEC 60318-2:1998 ED1
99.60
Повлачење ступило на снагу
31. 8. 2009.
ОБЈАВЉЕН
IEC 60318-1:2009 ED2