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 Information
Published:
08/07/1998
Pages:
17
File Size:
1 file , 140 KB
Language:
English, French
Note:
This product is unavailable in Ukraine, Russia, Belarus