FIELD: magnetic recording. SUBSTANCE: set has cassettes and analog recording devices, which include analog magnetic heads, which reads and/or writes analog information from tracks on magnetic tape, which is located in cassette. In addition said set has recording devices, which have digital magnetic heads, which reads and/or writes digital information from tracks on magnetic tape, which is located in cassette. Digital devices are compatible with analog ones in sense that analog information that is stored by analog device from this set could be read by magnetic head of digital devices of this set. EFFECT: increased functional capabilities. 17 cl, 14 dwg
