Synchrophone `` MEZ-13 ''.

Tape recorders and radio tape recorders.Since 1955, the MEZ-13 synchrophone has been produced by the Moscow Experimental Plant. Synchrophone "MEZ-13" (tape recorder) is designed for synchronous recording of sound and images when filming films of various topics and categories. Phonograms are recorded on a special magnetic tape 17.5 mm wide with one perforated side. The band of recorded frequencies is 50 ... 10000 Hz. Power consumption 200 watts. The mass of the apparatus is 150 kg.