Electric Bass Guitar Songs A electric guitar pickup is basically similar to a powerful mike coil. For decades, dynamic microphones have been wired with the voice coil mounted on the principal of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's case is normally linked to the wire guard, which can be linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, dynamic microphones are very calm products consequently of the mix of transformer isolation and balanced, hanging transmission lines all through, as well as guarded, humbucking coils.
So why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. Well-known solution is to float practicing the guitar pickup to a healthy output, being a microphone. A similar thought was published this 2001 patent application like this Electric Bass Guitar Songs?