Invention Ideas

Much better Guitar pickup?

terfenol-d (Dysprosium) has a vastly better frequency response than piezo.
What about a guitar pickup from terfenol-d?
Basic setup for speaker; place a piece of rubber on an electromagnet, set a neodymium magnet on top of the rubber, an attach that to a sounding body.
Not sure for a pickup the best configuration? Experiment.

Test your Dayton Audio Transducer as a pickup!