piezo p/u's don't function in the same manner as a conventional pickup. They operate off of pressure and vibration. this is why you would never shim an acoustic bridge that uses a piezo, as contact from the bridge to the p/u is crucial. Any work to raise (requires a new bridge, preferably bone) or lower a bridge on a pieze equiped acoustic should be left to an experienced luthier/tech.


Godin makes a line of exceptional electric/nylon stringed instruments as well.


If you need more info I would suggest e-mailing the manufacture.