Novation Launchkey 61 Mk2 A electric guitar collection is basically similar to a dynamic microphone coil. For decades, energetic microphones have now been sent with the voice coil attached to the principal of the microphone's transformer, and maybe not recommended to ground (‘floating'). The microphone's situation is typically linked to the cable guard, which can be attached to the microphone amplifier's ground (see Rane's website for more discussion).
By and large, vibrant microphones are very calm products consequently of the mix of transformer isolation and balanced, hanging sign lines during, in addition to shielded, humbucking coils.
Therefore why don't you guitars? Guitars are once plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious answer is to float the guitar collection to a balanced result, just like a microphone. An identical thought was published that 2001 patent request like this Novation Launchkey 61 Mk2?