Tape recorder `` MEZ-3 ''
Tape recorders and radio tape recorders.The tape recorder "MEZ-3" in 1950 was developed and produced in a limited series by the Moscow Experimental Plant. The transported single-track tape recorder "MEZ-3" is a reportage recorder and is designed to record speech or simple music programs. The tape recorder consists of three blocks, a tape drive mechanism, an amplifier and a rectifier with a compartment for wires and auxiliary equipment. One engine, type DVA-U3. CVL with vertical (one above the other) arrangement of coils. Applicable magnetic tape type C or 1 wound on coils or bosses of 500 meters. The speed of pulling the magnetic tape 77 cm / sec. Detonation 0.2%. Power consumption from the network is 60 watts. Time for recording or sounding phonograms on one track is 22 minutes. Operating frequency range 100 ... 6000 Hz. The set includes a microphone of the SDM type. The operation of two microphones is provided at the same time. Applied radio tubes 6Zh8 (2), 6N9S (1), 6Zh3 (3), 5Ts4S (1). The rated output power on the 2GD-3 loudspeaker is 1 W. Amplifiers for recording and playback are separate. The tape recorder can play back phonograms recorded on other tape recorders at the same speed.