Shkol'nyj EF-301S 1985
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The network transistor "Nocturne-314-stereo" from I quarter of 1985 was produced by the Grozny radio engineering plant. The electrophone is intended for reproducing phonograms from mono and stereo records of any format. Electrophone amplifiers are assembled on transistors. It uses a 2-speed electro-playing device 2-EPU-62SP with a piezo-ceramic pickup head of the type GZKU-631R, a microlift and a hitchhiking at the exit of the needle on the treadmill. There are separate tone and bass tone controls, a network LED indicator, and electronic ULF protection from short circuit in the load. The rated output power of the ULF is 2x3 W, the frequency range of the reproduced sound is 60 ... 12500 Hz. Includes two speakers 6-AC-322. The dimensions of the phone are 380x370x160 mm, AC 360x250x205 mm. The mass of the phone is 8.5 kg, the speaker is 3.5 kg. To increase the range of names of devices, the plant practically jointly from 1985 and until the beginning of 1992 produced identical in design, electrical circuit and design electrophones, such as: "School-Stereo", "School EF-301S", "Sintar EF-302S" and " 302C-1 ".
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Information from collection of Valery Khartchenko