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A complete amplifier "Amphiton A1-01-stereo" since 1982 produced the Lviv LPO. Lenin. The amplifier is designed to amplify low-frequency signals from various sources of mono and stereo programs. The device has separate channels for volume-compensated volume controls, separate tone controls for LF, MF and HF, electronic overload protection, the possibility of hearing quality control of recording through the pass-through channel, connecting stereo phones and block restrictive filters for LF and HF. Rated output power 2x20 watts. The nominal frequency range is 20 ... 20000 Hz. Input sensitivity: high-resistance 200 mV, pickup 2.5 ... 5 mV. The harmonic coefficient of 0.3%. Background level from the input: -70 dB high impedance, -60 dB pickup. Nominal resistance for connecting the AC - 4 ohms Power consumption of 155 watts. The dimensions of the amplifier are 430x395x125 mm. Weight 9.5 kg. Price 385 rubles. Since 1983, the plant began production of an upgraded amplifier "Amfiton A1-01-1 stereo", then in 1985 the amplifier "Amfiton A1-01-2 stereo". Since 1987, the Ulyanovsk Mechanical Plant began production of the amplifier "Amfiton A1-01-2U-stereo." All upgraded amplifiers have a similar construction with the base model, but there is no information on some of them.