Description
Describes an acoustic coupler for loading supra-aural audiometric earphones as specified in ISO 389 with a specified acoustic impedance, when calibrating audiometers, in the frequency range of 125 Hz to 8 000 Hz.
Product Details
- Edition:
- 1.0
- Published:
- 08/07/1998
- Number of Pages:
- 17
- File Size:
- 1 file , 140 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
