Subscriber loudspeaker "Ob-305".
Subscriber loudspeakers.DomesticSince 1984, the subscriber loudspeaker "Ob-305" has been producing the Novosibirsk plant of low-voltage equipment. The loudspeaker "Ob-305" is designed to reproduce the transmissions of the LF channel of the local wire broadcasting network. AG technical parameters: Rated voltage 30 (15) V. Operating range of reproducible frequencies 160 ... 10000 Hz with non-uniformity of the frequency response of sound pressure of 15 dB. Average linear sound pressure at rated voltage in the frequency range 315 ... 4000 Hz, not less than 0.25 Pa. Loudspeaker weight 0.75 kg. Dimensions 175x145x50 mm.
