Radio designer `` SU-3 ''.

Radio and electrical constructors, sets.Audio AmplifiersSince 1988, the radio designer "SU-3" has been producing the Ufa experimental plant "Promsvyaz". The kit is a technical aid for gaining skills in assembling, installing and tuning radio equipment for intermediate-skilled radio amateurs and students of senior school age. When properly assembled and set up, the kit can make a high quality stereo amplifier for reproducing mono and stereo programs. The set was produced in two types: "SU-3" without loudspeakers and "SU-ZA," with two loudspeakers 10GD-36K-40. The amplifier has the following parameters: rated output power 2x6 W; maximum 2x15 W; operating frequency range 20 ... 20,000 Hz; coefficient of nonlinear distortion 1%. The price of the first set is 35 rubles 50 kopecks, the second is 56 rubles 50 kopecks.