Guitar Stands Louisville A guitar pickup is basically similar to a dynamic microphone coil. For many years, active microphones have already been wired with the voice coil mounted on the principal of the microphone's transformer, and not recommended to surface (‘floating'). The microphone's case is typically connected to the cable guard, that will be attached to the microphone amplifier's ground (see Rane's site for more discussion).
By and large, powerful microphones are very quiet units consequently of the mixture of transformer isolation and healthy, floating transmission lines during, along with protected, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known answer would be to float the guitar pickup to a balanced productivity, being a microphone. The same thought was published that 2001 patent application like this Guitar Stands Louisville?