Vintage Radio from USSR - Nevskiy-402 since 1987 Testing

THIS RADIO ON EBAY: https://www.ebay.com/itm/175235594739
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Since 1987, the Nevsky-402 portable small-sized radio receiver has been produced by the Leningrad (now - St. Petersburg) Instrument-Making Plant "Ravenstvo" (Equality). The Nevsky-402 was created on the basis of the serial radio receiver Nevsky-401 and coincides with it in terms of technical parameters. Features of the Nevski-402 - the backlight of the scale and a flashlight.
The radio receiver is designed to receive radio stations on a magnetic antenna in the MW range and on a telescopic antenna in the SW range (24 ... 49 m). The receiver sensitivity is 1.5 mV/m in the MW range and 300 µV in the SW range. Selectivity in the adjacent channel is 26 dB, in the image channel in the MW range - 26 dB and 12 dB in the SW range. Rated output power 60 mW, maximum 100 mW. The range of reproducible sound frequencies is 450 ... 3150 Hz. Powered by 9V 6F22 battery. The operability of the radio receiver is maintained when the power is reduced to 5 volts.