Amplifier Class D Vs Class H A electric guitar pickup is basically similar to a vibrant mike coil. For decades, vibrant microphones have already been wired with the voice coil mounted on the primary of the microphone's transformer, and maybe not referenced to floor (‘floating'). The microphone's event is typically connected to the cable shield, which can be connected to the mike amplifier's floor (see Rane's site for more discussion).
By and big, powerful microphones are extremely quiet products as a result of the mix of transformer isolation and balanced, suspended sign lines for the duration of, in addition to shielded, humbucking coils.
Therefore why don't you instruments? Guitars are notoriously affected by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious option is to move the guitar collection to a healthy production, being a microphone. The same strategy was printed this 2001 patent request such as Amplifier Class D Vs Class H?