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Since the beginning of 1938, the Voronezh Plant Elektrosignal has produced the Radio Canal Lamp Console, with the automatic change of the D-11 plates (another name is 11MG-2, according to OST No. 370 A). "D-11" is a console radiol, created on the basis of the radio "9H-4". The electric player has the ability to automatically change several established records. Radio "D-11" is intended for clubs, houses of culture, rural radio broadcasting nodes. Radiol "D-11" is assembled on octal metal lamps and is powered by an alternating current network of 127 or 220 V, consuming power of 130 W when receiving a radio or 170 W when playing records. DV ranges - 750 ... 2300 m, SV - 177 ... 545 m, KV - 16.7 ... 50 m. Receiver sensitivity on all ranges 50 ... 100 µV. The adjacent channel selectivity is 24 ... 26 dB. The IF is 460 kHz. On any band at high frequency, the receiver operates two input circuits and a local oscillator circuit, and there are 4 circuits in the IF. Bass amplifier push-pull, provides output power up to 12 W, with nonlinear distortion of 10%. Loudspeaker 10GEM-1 with a powerful electric magnet, with a diameter of 300 mm and a weight of 5.5 kg. The range of reproduced sound frequencies during radio reception is 80 ... 4000 Hz, while listening to records of 80 ... 7000 Hz. Radiol weight 77 kg.