Sorry, this page is not translated yet. Automatic translation used.
Subscriber loudspeaker "Ob-305" since 1984 produced the Novosibirsk plant of low-voltage equipment. Loudspeaker "Ob-305" is designed to reproduce the low-frequency channel transmissions of the network of local wire broadcasting. Technical parameters of AG: Rated voltage 30 (15) V. The working frequency range of reproducible frequencies is 160 ... 10000 Hz with uneven frequency response of sound pressure 15 dB. Average linear sound pressure at nominal voltage in the frequency range 315 ... 4000 Hz, not less than 0.25 Pa. The mass of the loudspeaker is 0.75 kg. Dimensions 175x145x50 mm.