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The preliminary amplifier 'Orbit UP-002-stereo' and the power amplifier "Orbit UM-002-stereo" since 1985 produced the Rostov plant "Elektroapparat". Amplifiers were part of the complex "Orbit-002-stereo." UE is designed to amplify the stereo signal from the pickup, electric player, linear tape recorder, tuner. The existing switching device allows you to connect two tape recorders to the amplifier for recording and rewriting amplified signals. There is a discrete electronic volume control, rapid reduction of its level, the inclusion of loudness, the adjustment of the bass and treble tone, the light indication of operating modes, listening to phonograms through stereophones. UE can work with active loudspeakers and with um. The main parameters: The range of amplified frequencies with uneven frequency response ± 1 dB - 20 ... 20000 Hz. The rated output voltage is 1 V. The harmonic factor is 0.02%. Attitude signal, noise - 90 dB. Power consumption 40 watts. Dimensions 320x320x60 mm. Weight 5 kg. Price 520 rubles. UM "Orbit UM-002-stereo" is intended for high-quality amplification of power signals coming from UE "Orbit UE-002-stereo" or from other sources. The output of the PA can be loaded on two speakers with a resistance of 4 ohms. The MIND has electronic protection systems against short circuits at the output and against overloads at the input, a loudspeaker protection device. Provides protection from transients, allowing you to get rid of switching clicks. The on-delay system ensures a smooth increase of the signal at the output when the PA is switched on in the network. Main parameters: Nominal output power at a load of 4 Ohms - 2x50 W, nominal frequency range - 20 ... 25000 Hz, harmonic factor 0.07%, signal-to-noise ratio from a linear input 92 dB; crosstalk attenuation between channels at a frequency of 1000 Hz - 50 dB, power consumption 220 W. Dimensions 320x320x60 mm, weight 7.5 kg.