Def Leppard Tour A electric guitar collection is actually much like a vibrant microphone coil. For many years, dynamic microphones have been sent with the style coil attached to the primary of the microphone's transformer, and maybe not referenced to ground (‘floating'). The microphone's event is typically attached to the wire shield, which can be attached to the microphone amplifier's ground (see Rane's site for more discussion).
By and large, active microphones are very calm units consequently of the combination of transformer isolation and balanced, flying sign lines all through, along with protected, humbucking coils.
Therefore why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. Well-known solution is always to move your guitar pickup to a balanced productivity, just like a microphone. The same idea was published this 2001 patent request like this Def Leppard Tour?