DS DS/EN 60118-1/A1
DS DSEN 60118-1A1 1999-FEB-02 Hearng ads - Part 1 Hearng ads wth nducton pck-up col nput
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This Standard describes a method of determining the electroacoustic performance of hearing aids fitted with an induction pick-up coil and used in an audio-frequency magnetic field. The induction pick-up performance is measured in a loop simulating conditions of use in room applications.