Universal tape recorder '' MAG-4 ''.
Tape recorders and radio tape recorders.The universal tape recorder "MAG-4" was developed at VNIIZ and was produced since the IV quarter of 1948 in Ukraine. Designed for single track recording on magnetic tape 6.5 mm wide. LPM speed 45.6 cm / sec. The range of recorded and reproduced sound frequencies is 80 ... 6500 Hz.
