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IEC 60711:1981 ed1.0
Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts
24 стр.
Заменен
Печатная копияЭлектронный (pdf)
131.04 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры
Описание
Specifies an occluded-ear simulator, intended for the calibration of insert earphones in the frequency range 100 Hz to 10 000 Hz in terms of the sound pressure at the eardrum.