FIELD: magnetic recording technology. SUBSTANCE: device has two input buses, summing amplifier which forms lower frequency record signals, magnetic head for recording lower frequency signals, magnetic head for recovering lower frequency signals, amplifier which forms lower frequency playback signals, two amplifiers which form high frequency record signals for left and right record subchannels, two magnetic head for recording high frequency signals for right and left subchannels, two magnetic heads for playing high frequency signals back for left and right subchannels, two amplifiers which form high frequency playback signals for left and right subchannels, two amplifiers which form average frequency record signals for left and right subchannels, two magnetic heads for recording average frequency record signals for right and left subchannels, two magnetic heads for playing average frequency signals for left and right subchannels, two amplifiers which form average frequency playback signals for left and right subchannels correspondingly, two units for summing playback signals, two output buses. EFFECT: improved quality of record; improved reliability of operation. 3 dwg
