Zelkova Snare Drum A guitar collection is actually much like a powerful microphone coil. For decades, powerful microphones have been sent with the voice coil mounted on the primary of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's case is typically linked to the cable guard, which is connected to the microphone amplifier's ground (see Rane's website for more discussion).
By and big, energetic microphones are extremely calm products consequently of the mix of transformer isolation and balanced, flying indication lines during, as well as guarded, humbucking coils.
So why not instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious alternative is always to float practicing the guitar pickup to a healthy result, as being a microphone. An identical idea was printed this 2001 patent software like this Zelkova Snare Drum?