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Since 1982, the P-70 dual-channel power amplifier has been producing the Petrovsky Gorky Plant. The two-channel power amplifier "P-70" is designed to play mono and stereo soundtracks from tape recorders "Timbre-2", "Timbre-2C" and "Timbre-2M". The amplifier is a device in the desktop design, housed in a wooden case and pasted over with a decorative material. The amplifier is completed with acoustic systems VG-2-3 / 16R. The amplifier was sold as a separate stand-alone device. In the middle of 1985, the P-70 amplifier was substantially upgraded. Under the previous design, the electrical circuit was reworked, in accordance with its design. Specifications: Nominal output power of the amplifier 2x5 watts, maximum 2x9 watts. The operating frequency range of the audio output for speakers is 40 ... 20000 Hz. The relative level of interference for each channel -50 dB. The adjustment range of temra at low frequencies is 8 dB, at high frequencies - 10 dB. Distortion factor at rated power 3%. The power consumption of 120 watts from the network. Model dimensions - 400x250x200 mm. Weight 10 kg.