Soundproof Mic Stand A guitar pickup is essentially much like a vibrant microphone coil. For decades, active microphones have now been wired with the voice coil mounted on the primary of the microphone's transformer, and perhaps not recommended to ground (‘floating'). The microphone's situation is normally attached to the cable shield, which can be linked to the mike amplifier's surface (see Rane's site for more discussion).
By and large, dynamic microphones are very quiet devices consequently of the combination of transformer isolation and balanced, floating sign lines through the duration of, along with protected, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only an incomplete (though essential!) solution. The most obvious alternative is always to move your guitar collection to a healthy output, just like a microphone. The same idea was published this 2001 patent request such as Soundproof Mic Stand?