Applies to circular and concentric connectors to be used for the interconnection of sound system components for broadcast and similar use, gives the applications and contact arrangement and contact designation for these connectors.
33.160.50 Auxiliaries. Including headphones, loudspeakers, microphones, etc. / Вспомогательные устройства. Включая наушники, громкоговорители, микрофоны и т.д.
17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры
