Furman Pl Proc A guitar collection is essentially similar to a dynamic microphone coil. For many years, dynamic microphones have already been wired with the voice coil attached to the principal of the microphone's transformer, and maybe not referenced to floor (‘floating'). The microphone's case is typically connected to the wire shield, which can be linked to the microphone amplifier's ground (see Rane's site for more discussion).
By and large, powerful microphones are extremely calm devices as a result of the mix of transformer solitude and balanced, flying sign lines for the duration of, in addition to guarded, humbucking coils.
So why not guitars? Guitars are once overwhelmed by noise. Humbucking pickups are merely a partial (though essential!) solution. The obvious option would be to float the guitar pickup to a balanced production, being a microphone. An identical strategy was printed this 2001 patent application like this Furman Pl Proc?