Speak Of The Devil Ozzy A guitar collection is basically similar to a vibrant microphone coil. For many years, active microphones have been sent with the style coil mounted on the primary of the microphone's transformer, and perhaps not referenced to floor (‘floating'). The microphone's case is normally attached to the wire shield, which can be linked to the microphone amplifier's floor (see Rane's website for more discussion).
By and large, active microphones are very calm units consequently of the combination of transformer isolation and balanced, floating sign lines through the duration of, in addition to shielded, humbucking coils.
Therefore why don't you instruments? Guitars are notoriously plagued by noise. Humbucking pickups are only an incomplete (though important!) solution. Well-known option is always to move your guitar pickup to a balanced result, just like a microphone. A similar idea was printed that 2001 patent application such as Speak Of The Devil Ozzy?