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AS 1089: 01/01/1971 Reference coupler for the measurement of the electro-acoustic characteristics of hearing aid earphones

AS 1089: 01/01/1971 Reference coupler for the measurement of the electro-acoustic characteristics of hearing aid earphones

Original price was: $40.00.Current price is: $16.00.

Reference coupler for the measurement of the electro-acoustic characteristics of hearing aid earphones 01/01/1971

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ISBN(s): 0726204641

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.

Attributes

Edition 1st
Published 01/01/1971
ISBN(s) 0726204641
Number of Pages 6
File Size 1 file, 680 KB
Product Code(s) 10177511
Note This product is unavailable in Russia, Belarus

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