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

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There can be harmful high voltage spikes.
 
There can be harmful high voltage spikes.
  
A good preamp to use is from collins lab:
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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]

Revision as of 12:11, 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.

Piezo.png

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