Portable radio `` Sokol-403 ''.
Radio and electrical constructors, sets.Radio receiving devicesThe portable radio receiver "Sokol-403" from the designer's kit has been produced by the Moscow Radio Plant since 1971. The radio constructor set is intended for assembling and adjusting the Sokol-403 radio receiver similar to the industrial one, but in the case of the Sokol radio receiver. The radio receiver board was delivered assembled and pre-configured. It was necessary to assemble the vernier device, unsolder the wires to the loudspeaker, battery, antenna and telephone. After that, the transistor modes were checked with an avometer and a more fine tuning of the contours was made using an avometer and an additional radio receiver tuned at the factory.
