SonicSand visualizer

Inspired by this instructable, i started thinking of how i could build a speaker cone visualizer, without the computer killing water.

My first thought was sand, but it proved to be too heavy and didn't look too good.
While rummaging through my closet, I found the perfect powder: Rock Polish.

This stuff looks like it's made of aluminum powder. and looks awesome in motion.

Be careful though, since big base hits can cause all of the powder to jump out of the speaker, and the stuff gets everywhere... as you can see in the pictures, I have everything in a big Tupperware box.

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Step 1: Set up your speakers

The first step is to get some speaker cones. So far, the dome coned speakers seem to work best.

It's probably a good idea to hear-shrink all the wire connections if you're using the same powder as me, since the powder is conductive.

If you're working with a dual cone speaker, like my sub, you have three choices;