Subscriber loudspeaker "Quartz-301".
Subscriber loudspeakers.DomesticSubscriber loudspeaker "Quartz-301" has been produced by the State Unitary Enterprise since the 1st quarter of 1999. Omsk Production Association Irtysh. The subscriber loudspeaker is designed to reproduce radio broadcasts transmitted over local wire broadcasting networks. Mains voltage 30 V. Average sound pressure 0.20 Pa. The range of reproducible sound frequencies is 160 ... 10000 Hz. The overall dimensions of the AG are 200x131x61 mm. Weight 0.61 kg.
