12 String Acoustic Guitar Tuning A guitar pickup is actually much like an energetic mike coil. For many years, energetic microphones have now been wired with the voice coil mounted on the principal of the microphone's transformer, and maybe not called to floor (‘floating'). The microphone's event is usually attached to the wire guard, that will be attached to the microphone amplifier's surface (see Rane's site for more discussion).
By and large, active microphones are very calm units consequently of the mixture of transformer solitude and healthy, flying indication lines throughout, in addition to protected, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious option is to float the guitar collection to a healthy production, just like a microphone. A similar strategy was printed this 2001 patent program like this 12 String Acoustic Guitar Tuning?