color organ

[derekleffew]

Neither a musical instrument nor a body part, actually a rudimentary lighting controller that flashes lights to sound frequencies. Most have three output circuits, corresponding to bass, midrange, and treble frequencies.

See the video for one example:

To view this content we will need your consent to set third party cookies.
For more detailed information, see our cookies page.

Accept third party cookies

Once a staple of every "learn electronics at home" kit, primarily by Heathkit, similar units are still being sold today:

http://www.amazon.com/Velleman-Chann.../dp/B0002Z82Y4