Guns N Roses Tour Schedule A guitar pickup is basically similar to a dynamic mike coil. For many years, active microphones have already been wired with the voice coil mounted on the principal of the microphone's transformer, and perhaps not referenced to surface (‘floating'). The microphone's case is typically attached to the wire shield, which is attached to the microphone amplifier's ground (see Rane's internet site for more discussion).
By and large, active microphones are extremely calm devices consequently of the mix of transformer solitude and balanced, flying indication lines throughout, along with shielded, humbucking coils.
So why don't you guitars? Guitars are once affected by noise. Humbucking pickups are just an incomplete (though essential!) solution. The obvious answer is to move your guitar pickup to a healthy production, being a microphone. A similar strategy was printed this 2001 patent program such as Guns N Roses Tour Schedule?