Portable transistor microphone "Rogneda".
Electric record players and electrophones on semiconductorsDomesticSince the beginning of 1970, the "Rogneda" portable transistorized microphone has been produced by the Saratov Precision Electromechanics Plant. The Rogneda portable transistorized microphone of the third class is designed for semi-automatic playback of records with a diameter of 175 mm in stationary conditions and in moderate motion. The electrophone consists of an electric player and a bass amplifier on transistors. The amplifier has a sensitivity of 250 mV and a rated output power of 0.5 W. The model uses a loudspeaker type 1GD-28. The range of reproducible sound frequencies is 150 ... 6000 Hz. The engine is used by DRV-0.1. Disk rotation speed 33 rpm. The microphone is powered by 6 A-373 elements, the power consumed from the batteries is 1.5 W. The dimensions of the microphone are 316x200x100 mm, weight 2.7 kg.
