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This is a sound visualizer/ oscilloscope that I made from a vintage CRT monitor.
Connect it to your amplifier or stereo like a speaker, and it displays the sound waves.
It has the ability to freeze moving waves in place, by turning the knob on the back.
Features
- 5-inch black-and-white screen (measured diagonally)
- power on/off button on top
- power LEDs on top
- has 2 spring-connectors on the top for connecting wires, like a speaker.
- Brightness and Contrast can be adjusted with knobs on the back (although I would just leave them, at the highest settings)
- powered by a detachable AC adapter, included.
- it measures about 8x8x6 inches
