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The cassette tape recorder "Spring-001-stereo" in 1980 was experimentally produced by Zaporizhzhya Electric Machine-Building Plant "Iskra".
The stationary stereo, with a through channel cassette tape recorder of the highest class `` Spring-001-stereo '' is designed to record and play voice and music programs from magnetic tapes based on iron oxide and chromium dioxide.
LMM mg prefixes twin-engine with a closed path and direct drive.
Acoustic recording control, operational adjustment of the speed of the tape broaching, light indication of the modes of the LPM, auto-stop at the end of the tape in the cassette are provided.
The MP has a switchable dynamic noise reduction system with an adjustable threshold, a tape consumption meter with a memory device that facilitates the search for the desired place in the soundtrack, as well as peak indicators of the sound recording level.
The model employs an original control system for the CVL modes using a switching device with touch sensors.
The speed of the magnetic tape 4.76 cm / s.
Knock coefficient ± 0.15%.
The working range of sound frequencies at the linear output when using a tape based on chromium dioxide is not worse than 30 ... 16000 Hz, iron oxide 40 ... 12500 Hz.
Noise reduction when the noise reduction device is turned on -8 dB.
Power consumption from the electric network is 40 watts.
Dimensions of the device 464x350x140 mm.
Weight is 9 kg.
Based on information from collection of Valery Khartchenko