X32 Digital Snake A guitar pickup is basically much like a dynamic mike coil. For many years, powerful microphones have now been wired with the style coil mounted on the principal of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's event is typically attached to the cable shield, which will be attached to the mike amplifier's floor (see Rane's site for more discussion).
By and large, vibrant microphones are very quiet units consequently of the mixture of transformer solitude and balanced, floating indication lines all through, as well as shielded, humbucking coils.
Therefore why not guitars? Instruments are notoriously affected by noise. Humbucking pickups are only a partial (though crucial!) solution. Well-known alternative is always to float your guitar collection to a healthy output, just like a microphone. The same thought was printed this 2001 patent request like this X32 Digital Snake?