Variety amplifier with speakers `` Harmony-70M ''.

Amplifying and broadcasting equipmentThe pop amplifier with the "Harmony-70M" speaker system has been produced since 1985. It is designed for sounding medium-sized halls with a capacity of about 200 people. Consists of UCU and two speakers of the same name. The amplifier provides high quality amplification of signals from electronic musical instruments (rhythm guitar, lead guitar, organ) and microphones. The amplifier provides: 6 inputs for different types of signal sources. Switchable pointer indication of signal level and overload. Vibrato mode controls for depth and frequency. Buttons for switching on the `` vibrato '' mode, reducing the volume by 10 dB, adjusting the treble and bass for each of the three groups of inputs. Adjusts the volume of each input. General volume control. There are two speaker outputs. Amplifier characteristics: Rated output power 35 W, maximum long-term power 70 W, maximum short-term power 150 W. The operating sound frequency range is 20 ... 20,000 Hz. Harmonic distortion 0.3%. Characteristics of acoustic systems: Rated power 35 W. Frequency response range: 63 ... 14000Hz. Resistance 6 ohms. The amplifier was produced in several design options, was modernized several times, so some batches differed from the basic one in slightly different technical parameters.