AS 1089-1971废止
Reference coupler for the measurement of the electro-acoustic characteristics of hearing aid earphones
出版：Standards Australia
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基本信息
标准编号： AS 1089-1971
标准类别：Standard
出版单位：Standards Australia
标准页数：6
标准简介
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.
等同采用的国际标准
IEC 60126 Ed. 2.0 - Equivalent
