Portable cassette recorder "Proton M-412".
Cassette tape recorders, portable.The portable cassette recorder "Proton M-412" has been produced by the Kharkov radio plant "Proton" since the 1st quarter of 1988. The tape recorder is designed for recording phonograms on magnetic tape A-4207-3B or similar in standard MK-60, MK-90 cassettes with their subsequent playback. Number of recording tracks 2. The speed of the magnetic tape is 4.76 cm / sec. Detonation of CVL 0.4%. The range of effectively recorded and reproduced sound frequencies through the LV is 63 ... 10000 Hz, the frequency range reproduced by the built-in loudspeaker type 1GDSH-3 is 150 ... 7000 Hz. Power supply is universal, from a 220 volt network or from four A-343 elements. Rated output power 0.5 W. Power consumption from the network is 8 W. The dimensions of the tape recorder are 157x254x55 mm, weight 2.4 kg. Included in the BP set is UVIP-1. The price of a tape recorder is 125 rubles. In order to expand the range of manufactured models, the Proton M-413 tape recorder has been prepared for release since 1988, which differs only in its design. One of three design options for the "Proton M-412" model was used, but the tape recorder never went into production.
