Yamaha 5 String Bass Bbn5 A guitar pickup is essentially much like an energetic mike coil. For many years, active microphones have now been sent with the voice coil attached to the principal of the microphone's transformer, and perhaps not introduced to surface (‘floating'). The microphone's case is typically attached to the cable shield, that will be linked to the mike amplifier's surface (see Rane's internet site for more discussion).
By and large, energetic microphones are very calm products consequently of the combination of transformer solitude and balanced, hanging indication lines throughout, along with protected, humbucking coils.
So why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are just a partial (though essential!) solution. Well-known alternative is to float the guitar collection to a balanced production, just like a microphone. A similar thought was printed this 2001 patent software like this Yamaha 5 String Bass Bbn5?