Vince Gill Eagles A guitar collection is basically just like a powerful microphone coil. For decades, energetic microphones have already been sent with the voice coil attached with the principal of the microphone's transformer, and not called to ground (‘floating'). The microphone's event is normally connected to the wire shield, that will be attached to the mike amplifier's ground (see Rane's site for more discussion).
By and large, energetic microphones are extremely calm units consequently of the mix of transformer solitude and healthy, hanging transmission lines during, as well as guarded, humbucking coils.
Therefore why not guitars? Guitars are once plagued by noise. Humbucking pickups are just an incomplete (though important!) solution. The most obvious alternative would be to move practicing the guitar pickup to a balanced production, as being a microphone. A similar idea was published this 2001 patent request like this Vince Gill Eagles?