Peavey Vypyr 3 A guitar pickup is basically much like an energetic mike coil. For many years, vibrant microphones have already been wired with the voice coil mounted on the principal of the microphone's transformer, and maybe not recommended to surface (‘floating'). The microphone's event is normally linked to the wire shield, that is connected to the mike amplifier's ground (see Rane's site for more discussion).
By and big, dynamic microphones are extremely calm products consequently of the combination of transformer isolation and balanced, suspended sign lines during, in addition to guarded, humbucking coils.
Therefore why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are merely a partial (though crucial!) solution. Well-known answer is to float the guitar pickup to a balanced result, being a microphone. The same thought was printed this 2001 patent program like this Peavey Vypyr 3?