Experimental 3D sound system, which, despite being composed of one acoustic screen, achieves a wide sound space around the listener by eliminating acoustic crosstalk between the left and right chanels.
De Boer (USA), in the forties years of the XX century, was a pioneer in using an artificial head to record sound.
If you want to achieve the highest quality in your electrified musical instrument, to use a piezoelectric disk is not the best option.
The truth is that, in this specific case, it is better to invest a little more money to fully enjoy your electrified instrument.
Find out why ...