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.
IEC 60318-3 Ed. 1.0 b:1998
Original price was: $43.00.$21.00Current price is: $21.00.
Electroacoustics – Simulators of human head and ear – Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
International Electrotechnical Commission , 08/07/1998
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