Drum Rack System A guitar pickup is actually just like a vibrant microphone coil. For decades, active microphones have already been wired with the style coil attached with the primary of the microphone's transformer, and not called to surface (‘floating'). The microphone's case is normally attached to the wire shield, which is attached to the mike amplifier's surface (see Rane's site for more discussion).
By and large, energetic microphones are extremely calm products consequently of the mix of transformer isolation and healthy, suspended indication lines during, along with guarded, humbucking coils.
Therefore why don't you guitars? Guitars are once affected by noise. Humbucking pickups are just a partial (though crucial!) solution. Well-known option would be to move your guitar pickup to a healthy output, being a microphone. An identical thought was printed that 2001 patent request like this Drum Rack System?