$47.00Original price was: $47.00.$28.00Current price is: $28.00.
Hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output standard by International Electrotechnical Commission, 01/01/1985
Defines a method of expressing the input/output ratio as an acousto-mechanical sensitivity level measured on a mechanical coupler according to the second edition of IEC 60373. Provides a suitable basis for the exchange of information or for direct comparison of the electroacoustic characteristics of hearing aids using bone vibrator outputs. The methods chosen are practical and reproducible and are based on selected fixed parameters.
Product Details
Edition:
1.0
Published:
01/01/1985
Number of Pages:
23
File Size:
1 file , 1 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
