IEC 60318-3 Ed. 1.0 b:1998

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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