KS C IEC 60318-5:2017 Electroacoustics — Simulators of human head and ear — Part 5: 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
2017KS C IEC 60318-5:2017 Electroacoustics — Simulators of human head and ear — Part 5: 2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts