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Since 1979, the cassette tape recorder "Omega" has been produced at the plant. Petrovsky in Gorky (N-Novgorod). The purpose of the recorder is not known, but it is made for use in any climatic conditions. Rubber pads are installed between all parts of the case, including the cover that covers the cassette is sealed. The device consists of two blocks, the main unit of the tape recorder, and the power supply unit, in which there are 2 electronics boards and a cartridge for 7 type C batteries. The control panel, in which the microphone and the speaker are located, is connected to the tape recorder by cable. The blocks are connected by connectors, and their bodies are cast from aluminum alloy. The power supply is screwed to the cassette unit with screws. The "Input" and "Output" connectors and the AGC switch are connected to the rear side of the power supply unit. Tape recorder weight without batteries 2,86 kg. Of these, the tape recorder unit is 1.97 kg, the power supply unit is 0.64 kg. Dimensions of the device assembly 230x147x75 mm. Of these, the tape recorder unit is 170x147x75 mm, and the power unit is 60x147x75 mm. The operation modes are controlled from the control panel using buttons and slide switches. The dimensions of the control panel are 125x55x30 mm. The weight of the console is 220 g. The executive mechanism of the kinematics of the model is driven by a PMM type engine. The second engine similar to the first one is used directly in the tape drive mechanism. The electronics of the main unit are made on two boards for military quality on the details of military acceptance. The circuit is quite complex, there are chips.