AS 1089-1971廢止
Reference coupler for the measurement of the electro-acoustic characteristics of hearing aid earphones
出版：Standards Australia
專家解讀視頻
基本信息
標準編號： AS 1089-1971
標準類別：Standard
出版單位：Standards Australia
標準頁數：6
標準簡介
Specifies a coupler suitable for determining the physical performance characteristics of hearing aids. The coupler is identical with that recommended by the IEC. The use of this coupler does not permit the actual performance of a hearing aid on the human ear to be determined, but allows the comparison of hearing aids of similar types.
等同采用的國際標準
IEC 60126 Ed. 2.0 - Equivalent
