Marshall Tube Amp A guitar collection is basically similar to a vibrant microphone coil. For decades, active microphones have now been wired with the style coil attached with the principal of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's case is normally attached to the cable shield, that will be connected to the mike amplifier's surface (see Rane's site for more discussion).
By and big, powerful microphones are extremely calm products consequently of the mixture of transformer isolation and healthy, floating indication lines for the duration of, in addition to shielded, humbucking coils.
Therefore why don't you guitars? Guitars are once overwhelmed by noise. Humbucking pickups are only a partial (though essential!) solution. The obvious answer would be to float the guitar pickup to a healthy production, just like a microphone. An identical idea was published that 2001 patent request like this Marshall Tube Amp?