Typhlotechnical cassette stereo tape recorder `` Rus P-310S-4T ''.
Cassette players.The Rus P-310S-4T typhlotechnical cassette stereo tape recorder has been produced by the Ryazan Instrument Plant since the 1st quarter of 1994. This is a four-track tape recorder designed to reproduce MF2-4 phonograms (talking book) at a speed of 2.38 cm / s and music tracks at a speed of 4.76 cm / s through a LV and a loudspeaker. A model for visually impaired people was produced. At a speed of 4.76, it corresponds to the parameters of the Rus M-310S tape recorder.
