Gibson Sg Standard White A guitar pickup is essentially much like a dynamic mike coil. For decades, powerful microphones have been sent with the style coil attached with the principal of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is normally connected to the cable guard, that will be linked to the mike amplifier's surface (see Rane's web site for more discussion).
By and large, energetic microphones are very quiet units consequently of the mixture of transformer solitude and healthy, suspended sign lines throughout, in addition to protected, humbucking coils.
So why not instruments? Instruments are notoriously plagued by noise. Humbucking pickups are just a partial (though crucial!) solution. The obvious solution is always to float practicing the guitar pickup to a balanced production, being a microphone. A similar thought was printed this 2001 patent application such as Gibson Sg Standard White?