Amplifier-switching device "Harmony-70".
Amplifying and broadcasting equipmentThe amplifying-switching device "Harmony-70" has been produced since 1971. The UCU is intended for stationary use by vocal and instrumental ensembles as an amplifier for signals from an electric guitar, organ and microphone of a soloist. The amplifier is provided; six inputs for different types of signal sources combined in pairs into three groups. Arrow indication of level and overload, turning on and adjusting the `` vibrato '' mode in depth and frequency, reducing the volume level by 10 dB, adjusting the treble and bass for each of the three groups of inputs, adjusting the volume level of each input, general volume control , two outputs to the speaker. The range of amplified frequencies is 20 ... 2000 Hz. SOI - 2%. Output impedance 2.25 ohm. Rated output power 70 W, maximum 150 W.
