Color and music electronic constructor '' Rainbow ''.

Color music devicesColor music devicesThe color-music electronic designer "Raduga" has been produced, presumably since 1988, by the Pravdinsky Radio Plant. Nizhny Novgorod Region. The CMU kit was disassembled, only the board was assembled at the factory. It was necessary to assemble the structure myself, to unsolder the wires. Power supply 12 volts from the external unit. The lanterns are removable, attached to the stand with a central spring washer. This washer was also a carrying handle. The lanterns could be placed in different directions, the length of the wires was about 1.5 meters. The wires were wound on the back of the lantern on metal staples. Sensitivity adjustment is available for each channel, and overall sensitivity is also adjustable. Lights in red are tuned for low-frequency peaks, green for mid-frequency, blue for high-frequency. The backlight is neutral, with 3.5 volt bulbs connected in series. Adjustment with correct assembly and wiring was not required, the CMU started working immediately after assembly.