Tape recorder-set-top box `` Radio engineering MP-7210S ''.

Cassette tape recorders, stationary.The tape recorder "Radiotekhnika MP-7210S" has been produced by the Riga PO "Radiotekhnika" since the 1st quarter of 1989. Stereophonic MP `` Radiotechnika MP-7210-stereo '' is intended for recording phonograms from various signal sources, with their subsequent playback through the UCU. The set-top box has noise reduction and dynamic bias systems. The belt speed is 4.76 cm / s. Knock coefficient ± 0.19%. The effective frequency range on the LP for magnetic tape with working layers of Fe2O3 and CrO2 is 40 ... 12500 Hz and 40 ... 14000 Hz. The total weighted signal-to-noise ratio on magnetic tape with working layers of CrO2 and Fe2O3 is 54 and 51 dB. Weighted signal-to-noise ratio with noise reduction system -60 dB. The ratio of the recorded signal to the erased signal is -60 dB. The MP is powered by a 220 V network. The MP dimensions are 430x357.5x120 mm. Its weight is 6 kg.