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The automobile stereo tape recorder "Grodno RM-311SA" from the beginning of 1994 planned to produce the Grodno APO Volna. The autoradio tape recorder works in ranges: DV, SV and VHF-, and also on reproduction of mono and stereophonic phonograms recorded on the MK-60 cassettes. The radio receiver has an AFC of the local oscillator in the VHF band, in all bands there is an electronic tuning for frequency and an electron-discrete scale of tuning. There are controls for the treble and bass sounds, stereo balance, automatic reverse, indication of the tape recorder's operating modes, illumination of the device controls, switch of the magnetic tape type. When you install the cassette in the working position, the radio is automatically switched from receiving mode to playback mode, and when you eject the cassette back. Real sensitivity in the ranges: DV 150, CB 50 and VHF 2.5 µV; rated output power 2x4 W; the range of reproducible sound frequencies in the AM path is 100 ... 4000 Hz, FM 100..10000 Hz, detonation coefficient 0.4%, dimensions of the radio tape recorder 167х181х52 mm, weight 2 kg.