Bajkal 1951
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Subscriber loudspeaker "Baikal" supposedly since 1951 produced the Irkutsk Relay Plant. Baikal is similar in design, appearance and parameters to the Zarya model, which has been producing the same factory since 1950. The Baikal AG is designed for a 30 volt radio network and a supplied power of 0.2 W. The range of reproduced frequencies of sound is 250 ... 3000 Hz. Sound pressure 4 bar. Input impedance 4500 ohms. Dimensions AH - 230x300x110 mm. Weight 1.3 kg. The parameters of the Baikal AG are also similar to the model of the Sever AG.
Information from collection of Valery Khartchenko