Subscriber loudspeaker `` Ob AG-307 ''.
Subscriber loudspeakers.DomesticSince 1988, the subscriber loudspeaker "Ob AG-307" has been producing the Novosibirsk plant of low-current equipment. The subscriber loudspeaker "Ob AG-307" is designed to operate in a broadcasting network with a voltage of 30 volts. Specifications: The power supplied to the loudspeaker is 0.15 W. The range of reproducible sound frequencies by sound pressure is 200 ... 6000 Hz. Average sound pressure in the frequency range 315 ... 4000 Hz is not less than 0.25 Pa. Subscriber loudspeaker weight 800 grams. Retail price 5 rubles.
