Заказать и купить изделие «Громкоговоритель ГР-16А» от производителя в Спб, Москве.

Diffuser loudspeakers GR - 16, GR-16A, GR-16B are intended for reproduction of speech and broadcast transmissions in office premises and are made in the following versions: 1. mounted with a volume control GR - 16; 2. built-in without volume control GR-16A; 3. hinged without volume control GR-16B. Loudspeakers GR - 16, GR-16A, GR-16B can be switched on at power 2; 1; 0.5; 0.25; 0.1 watts The main electrical parameters of loudspeakers GR - 16, GR-16A, GR-16B: • rated voltage - 30 V; • nominal frequency range - 250 - 10000 Hz; • module of total electrical resistance at a frequency of 1000 Hz - 450, 900, 1800, 3600, more than 7000 Ohm; • average standard sound pressure - not less than 0.2 Pa; • coefficient of nonlinear distortion at a frequency of 1000 Hz - no more than 10%; • unevenness of the frequency response of sound pressure - no more than 16 dB. The volume control built into the GR-16 loudspeaker provides control of the transmission volume by 20 dB from a maximum of 5 dB to complete shutdown.