Superseded
Standard
Historical
IEC 60318-3:1998
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
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Summary
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.
Cancels and replaces IEC 60303 (1970).
Cancels and replaces IEC 60303 (1970).
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 08/07/1998 |
| Release Date | 08/07/1998 |
| Cancellation Date | 12/11/2014 |
| Edition | 1 |
| Page Count | 17 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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