Doors Cover Band A electric guitar pickup is actually much like an energetic mike coil. For many years, powerful microphones have been wired with the style coil mounted on the primary of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's event is typically attached to the wire shield, that will be linked to the microphone amplifier's surface (see Rane's internet site for more discussion).
By and large, active microphones are extremely calm devices consequently of the combination of transformer solitude and balanced, flying transmission lines throughout, in addition to shielded, humbucking coils.
So why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known option would be to float your guitar pickup to a healthy production, as being a microphone. The same thought was published this 2001 patent request like this Doors Cover Band?