Korg Volca Keys A guitar pickup is actually much like a vibrant microphone coil. For decades, dynamic microphones have been sent with the voice coil attached with the principal of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is typically connected to the wire guard, which can be linked to the microphone amplifier's surface (see Rane's internet site for more discussion).
By and big, powerful microphones are extremely calm units consequently of the mix of transformer solitude and healthy, floating transmission lines during, in addition to shielded, humbucking coils.
So why don't you instruments? Guitars are once overwhelmed by noise. Humbucking pickups are only an incomplete (though important!) solution. The most obvious option would be to move your guitar pickup to a balanced result, just like a microphone. A similar idea was published that 2001 patent application such as Korg Volca Keys?