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The reel-to-reel "Orbita-107-stereo" prefix has been produced since 1987 by the Leningrad plant Pyrometer. Since 1988, "Orbit MPK-107C" has been a desktop reel tape recorder-prefix of the first difficulty group, designed to record music and speech programs on a magnetic tape from a microphone, radio, broadcast network, TV, and playback of recorded recordings through two remote speakers or UCU with speakers of the appropriate class. The speed of the tape 19.05; 9.53 cm / sec. The duration of continuous recording and playback on a single track tape 34 microns thick at a speed of 19.05 cm / s 96 min. 9.53 cm / s 192 min. Rewinding time about 150 seconds. The relative noise level in the recording-playback channel at a speed of 19.05 cm / s is 58 dB. 9.53 cm / s - 52 dB. The harmonic coefficient at a speed of 19.05 cm / s is 2.5%. 9.53 cm / s - 2%. Knock factor 0.1% and 0.25%. The frequency band at a speed of 19.05 cm / s is 31.5 ... 20000 Hz. 9.53 cm / s 31.5 ... 14000 Hz. The frequency of the bias current is 85 kHz. Rated output power 5, maximum 15 watts. Power consumption of 150 watts from the mains. MP weight 24 kg.