Souvenir radio `` Surprise ''.
Portable radio receivers and radios on p / p.DomesticThe souvenir radio "Surprise" has been produced by the Grozny Radio Engineering Plant since the 1st quarter of 1967. The Surprise radio set was released for the 50th anniversary of the October Revolution. Structurally, it is made in the form of an elegant notebook. This was achieved thanks to the use of a specially designed miniature loudspeaker with a cone diameter of 40 mm and a height of 4 mm. The receiver is assembled according to a superheterodyne circuit with 6 transistors and 1 diode. The receiver is designed for reception on the built-in magnetic antenna of broadcasting stations operating in the CB range - 1605 ... 525 Hz. Real sensitivity 3 mV / m. Selectivity on the adjacent channel 12, and on the mirror 20 dB. The range of reproducible sound frequencies is 500 ... 3000 Hz. The maximum output power on the 0.05GD-1 loudspeaker is 100 mW. Powered by three D-0.1 batteries, with a total voltage of 3.6 V. Quiescent current 12 mA. Dimensions of a radio receiver with a notebook 135x88x17 mm, weight 200 g. The "Surprise" radio was exported to a number of foreign countries.
