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The tube reel tape recorder "Lira" in 1958, the experimental batch released the Gorky Plant them. G.I. Petrovsky. Lira's tape recorder is designed for recording and subsequent reproduction of phonograms from various sources on a magnetic tape (type 2) at speeds of 9.53 and 19.05 cm / sec. Magniofon single-engine (KD-2). The band of operating frequencies, respectively, is 100 ... 6000 and 50 ... 10000 Hz. Power consumption 80 watts. The mass of the tape recorder is 15 kg. More details in the description (1st picture). Apparently the recording indicator was planned to be installed round, on the 6E5 lamp, since the panel was made for it, but everything else in the MG was already done under the 6E1P lamp.