Radiotekhnika U-7111S 1987
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Since 1987, the full amplifier Radio U-7111 Stereo has been produced by the Riga Radio Engineering software. The amplifier is part of the K-7111S Radio complex (the other name is KS-111S Radio Technology) together with the T-7111S Radio Tuner and the EP Radio E-102S, which changed the complex 'Radio engineering U-101C' '. The amplifier has a graphic equalizer. You can connect to it two pairs of speakers. It is included in the line of UZCH made on the same structural basis with unified electronic units. UZCH is designed for switching and amplification of signals from 4 different sources and can work as part of combined block systems and separately. There is a loudness, stepwise decrease in volume. Rated output power at a load of 8 ohms 2x35 watts. The operating frequency range is 10 ... 30000 Hz. The harmonic coefficient of 0.2%. SOI 0.5%. Transient attenuation between stereo channels at a frequency of 1000 Hz 40 dB. The signal-to-weighted noise ratio is 60 dB. Dimensions of the amplifier 431Ñ…360Ñ…72 mm. Weight 7.5 kg. Price 350 rubles.
Documentation:
Information from collection of Valery Khartchenko