Car radio `` AI-668 ''.

Car radio and electrical equipment.Car radio and electrical equipmentSince 1938, the "AI-668" automobile radio has been produced by the Moscow plant. Sergo Ordzhonikidze (formerly Moselectric). The receiver is a 6-tube superheterodyne with 2 ranges 150 ... 420 and 545 ... 1500 kHz and is designed to work in a ZIS-101 car. The receiver has high sensitivity, selectivity, AGC system, volume and HF tone controls. The model is powered from the vehicle's on-board system with a voltage of 6 volts. The incandescences of the radio tubes are powered directly from the on-board network, and the anodes through a vibration transducer and a filter.