Learn Flamenco Guitar A electric guitar collection is basically similar to an energetic microphone coil. For decades, powerful microphones have already been wired with the voice coil mounted on the primary of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's situation is typically connected to the wire shield, that will be connected to the microphone amplifier's surface (see Rane's website for more discussion).
By and big, dynamic microphones are very quiet devices as a result of the mix of transformer isolation and healthy, flying sign lines through the duration of, as well as guarded, humbucking coils.
So why not guitars? Guitars are once affected by noise. Humbucking pickups are only an incomplete (though crucial!) solution. Well-known answer is to move practicing the guitar collection to a balanced output, just like a microphone. A similar idea was published this 2001 patent software such as Learn Flamenco Guitar?