Snare Drum Key A electric guitar pickup is essentially just like a powerful mike coil. For decades, dynamic microphones have already been wired with the voice coil attached to the primary of the microphone's transformer, and not called to floor (‘floating'). The microphone's event is normally connected to the cable shield, which will be attached to the mike amplifier's ground (see Rane's site for more discussion).
By and big, dynamic microphones are extremely quiet devices as a result of the combination of transformer solitude and balanced, hanging indication lines during, in addition to guarded, humbucking coils.
So you will want to guitars? Instruments are once plagued by noise. Humbucking pickups are merely a partial (though important!) solution. The obvious alternative is to move your guitar pickup to a balanced output, as being a microphone. A similar thought was printed that 2001 patent request like this Snare Drum Key?