Kona Electric Acoustic Guitar A guitar collection is basically similar to a powerful microphone coil. For decades, powerful microphones have already been wired with the style coil attached to the principal of the microphone's transformer, and maybe not referenced to ground (‘floating'). The microphone's event is normally connected to the wire guard, which can be linked to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and big, active microphones are very calm units consequently of the mix of transformer isolation and healthy, hanging indication lines through the duration of, in addition to protected, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously affected by noise. Humbucking pickups are merely a partial (though essential!) solution. The obvious answer would be to float your guitar collection to a healthy output, being a microphone. A similar idea was published that 2001 patent application like this Kona Electric Acoustic Guitar?