It gets louder

Youtube: Skruntskrunt - Left 4.5k Piezo Ceramic Right Homegrown Crystal With Toothbrush

Here is a demo of the big crystal with the tinfoil on the right channel and a 4.5k piezo contact mic on the left channel. There’s a toothbrush involved as well.


Home made piezo crystals + homemade amp and dehummer used to make noise.

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