Ernie Ball String Gauge A electric guitar pickup is essentially similar to a vibrant mike coil. For decades, active microphones have already been sent with the voice coil attached with the primary of the microphone's transformer, and maybe not called to ground (‘floating'). The microphone's case is typically attached to the cable guard, that will be connected to the microphone amplifier's floor (see Rane's website for more discussion).
By and big, powerful microphones are extremely calm products as a result of the mix of transformer solitude and balanced, flying transmission lines throughout, as well as guarded, humbucking coils.
Therefore why don't you instruments? Instruments are once affected by noise. Humbucking pickups are only an incomplete (though important!) solution. The obvious alternative would be to move the guitar pickup to a balanced output, as being a microphone. A similar strategy was printed this 2001 patent software like this Ernie Ball String Gauge?