... procedure Well defined measuring codition FEATURES FulfilsStandard: IEC 60318-1Acousticalimpedance similar to that of the human ear USES ... ModelAWA6160AWA6161AWA6162AWA6163NameEar Simulator2cm3 CouplerEar Simulator6cm3 couplerFulfilsStandardIEC 60318-1, ITU—TP.57 (IEC 318—1970)IEC 60318-5(IEC 60126-1973) ... IEC 60711, ITU-T P.57IEC 60318-3(IEC 60303-1970)Frequency Range100 Hz ~ 10 ...