M Audio M Track A guitar collection is basically much like an energetic mike coil. For many years, dynamic microphones have already been sent with the style coil attached with the primary of the microphone's transformer, and not introduced to ground (‘floating'). The microphone's situation is typically connected to the wire shield, which is attached to the microphone amplifier's soil (see Rane's website for more discussion).
By and big, dynamic microphones are extremely quiet products consequently of the mixture of transformer isolation and balanced, flying indication lines during, in addition to guarded, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously affected by noise. Humbucking pickups are just a partial (though important!) solution. The most obvious answer is to float the guitar pickup to a healthy productivity, just like a microphone. An identical idea was published that 2001 patent request like this M Audio M Track?