Stingray Bass Music Man A electric guitar pickup is basically much like a vibrant microphone coil. For decades, active microphones have now been wired with the voice coil attached to the primary of the microphone's transformer, and maybe not referenced to surface (‘floating'). The microphone's case is usually linked to the cable guard, that will be connected to the mike amplifier's surface (see Rane's internet site for more discussion).
By and big, dynamic microphones are extremely quiet devices as a result of the combination of transformer isolation and balanced, flying transmission lines through the duration of, in addition to shielded, humbucking coils.
So why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are only an incomplete (though important!) solution. Well-known option would be to float practicing the guitar collection to a healthy output, just like a microphone. A similar thought was published that 2001 patent software such as Stingray Bass Music Man?