Piezo speaker using homebrew crystals

[electrosnerd]

Hi

Just wondering the amplifer power to drive the crystal. are we talking watts or milliwatts?

Great short video.

[Zone51]

@electrosnerd good question, I've forgotten the values, but i think it's mW or tinier. I manadged to make it works with a crystal radio!

[DrSpike666]

sick:D

[AlbertInSanAntonio]

Nice but what exactly is a a mechanical deformation in a crystal

[Zone51]

@AlbertInSanAntonio I could just say "deformation". it mean that some atomic planes, ("slices" of crystal with a thickness of one atom), move from each other, depending on the direction of the electric field.

[marieomagpie]

now that is cool!