Normally I wire a piezo to a 1/4inch jack and canjo is electrified.
now I'm trying to figure a way to amplify a spring inside a canjo with a piezo to create a reverb effect.
Is a piezo a microphone? I believe it's a vibration or contact microphone somehow but can it be more powerful by adding magnets somehow to pick up the sounds of the spring?

I'm wondering if someone has made a reverb with a simple piezo and how it's wired? Any help here appreciated. Using a cookie tin right now...

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I glued one to a tin can once and kinda mate a plate reverb

Not sure how you could really attach it to the string really though

If you could I bet it would make a interesting noise

My blog

http://darrenscigarboxguitars.blogspot.co.uk/

Subtle but it's there...depends on spring type and placement

Interesting stuff

I think maybe the spring is connected to some kind of electromagnetic pickup on the ones you get in guitar amps

I read somewhere that you can drill holes though and even chop bits off a piezo and they will still function, so why not drill through one and attach it to one end of your spring? Piezos are orig used for output, buzzers and stuff, so why not amplify one at the other end of your spring to see if you can create a timed loop as the noise travels along the spring and feeds back to the first piezo? 

that's the basics of a reverb tank, low power amp & driver on one end of a spring, pup at the other end.

Yeah

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