Difference between revisions of "Using a piezo element as a contact mic"

Revision as of 13:14, 30 June 2015

If you want to record or amplify the sound vibraitons from a surface, you can use a piezo element as a contact mic.

However, do not hook them up directly to other audio equipment! There can be harmful high voltage spikes.

A simple and o.k. preamp to use is this one from collins lab

If both sound quality and equipment safety is not your greatest concern, a very simple solution is this one

If you want to hook it up directly to a speaker:

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 A simple and o.k. preamp to use is [http://makezine.com/2011/12/20/collins-lab-diy-contact-mic/ this one from collins lab]
+If both sound quality and equipment safety is not your greatest concern, a very simple solution is [http://www.zachpoff.com/diy-resources/simple-contact-mike/ this one]
+If you want to hook it up directly to a speaker: