Cassette tape recorder "Proton-310-stereo".

Cassette tape recorders, stationary.Since 1983, the Proton-310-stereo stereo cassette tape recorder has been produced in small series by the Proton Kharkov Radio Plant. The stationary tape recorder of the 3rd class "Proton-310-stereo" is intended for recording phonograms from various sources of low-frequency signals and for their reproduction. Why is the MP stationary? Because it does not have a battery compartment, it is powered from the mains and is intended for the subsequent amplification of the recorded phonograms through the UCU with the AC. MP has: dial indicator of recording level and supply voltage; switch of tape type Fe and Cr; hitch-hiking; ARUZ system; smooth control of volume and treble tone. Basic parameters: belt speed 4.76 cm / s; detonation coefficient 0.3%; operating frequency range at the linear output 40 ... 12500 Hz, from the loudspeaker 150 ... 8000 Hz; rated output power 1.2 W, maximum 2 W; the level of interference in the recording and playback channel -50 dB; dimensions of MG - 260x205x73 mm; weight 3 kg.