Korg Micro X A electric guitar collection is actually much like an energetic microphone coil. For many years, active microphones have already been sent with the voice coil attached to the primary of the microphone's transformer, and not introduced to ground (‘floating'). The microphone's case is usually attached to the cable shield, that will be linked to the microphone amplifier's floor (see Rane's website for more discussion).
By and large, energetic microphones are very quiet units consequently of the mixture of transformer solitude and healthy, flying indication lines throughout, along with shielded, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously affected by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious alternative would be to move the guitar collection to a balanced productivity, being a microphone. A similar strategy was printed this 2001 patent application like this Korg Micro X?