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Amplifier "Radio Engineering U-101-stereo" is designed for high-quality amplification of signals from devices of the complex and external sources of sound programs. The amplifier has an electronic switch of inputs, separate by output electronic indicators of output power, a device for protection of output stages with a short-circuit in the load; protection is also provided for loudspeakers against a possible constant voltage component on them in case of amplifier malfunctions, as well as protection of output stage transistors against overheating. Key Features: Rated output power 2x20 watts. Frequency range 20 ... 20000 Hz. Rated input voltage: Pickup 2, the remaining 200 mV. The harmonic coefficient in the nominal frequency range is not more than 0.3%. The signal / background ratio is 60 dB. The ratio snngal / noise (weighted) with an output power of 50 mW - 83 dB. Output voltage for connecting stereo phones (16 ohms) 0.9 V. Power consumption 80 watts. Dimensions of the amplifier 430x330x80 mm. Weight 10 kg.