Tunes To Tube A guitar collection is basically just like a powerful microphone coil. For decades, powerful microphones have already been sent with the style coil mounted on the primary of the microphone's transformer, and not referenced to soil (‘floating'). The microphone's case is usually connected to the cable shield, which will be connected to the microphone amplifier's surface (see Rane's site for more discussion).
By and big, dynamic microphones are extremely calm devices consequently of the mix of transformer isolation and healthy, suspended transmission lines through the duration of, along with protected, humbucking coils.
So why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only an incomplete (though important!) solution. The obvious answer would be to float your guitar pickup to a balanced productivity, as being a microphone. The same idea was published this 2001 patent application like this Tunes To Tube?