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The subscriber loudspeaker "Taiga" since 1956 produced the Perm Telephone Plant. The subscriber loudspeaker `` Taiga '' is intended for reproduction of broadcasting transmitted on radio-relay networks with a voltage of 30 volts. Power consumption 0.25 watts. The range of reproduced sound frequencies is 200 ... 4000 Hz. Input impedance is about 6 kOhm. Dimensions AH - 260x120x78 mm. Mass - 750 gr.