Kurt Cobain Mustang A best guitar pickup is basically much like a vibrant mike coil. For many years, active microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and maybe not recommended to floor (‘floating'). The microphone's event is usually connected to the cable shield, that is attached to the mike amplifier's surface (see Rane's website for more discussion).
By and big, energetic microphones are very calm units as a result of the combination of transformer isolation and balanced, flying transmission lines all through, along with guarded, humbucking coils.
Therefore why not guitars? Guitars are once overwhelmed by noise. Humbucking pickups are just a partial (though crucial!) solution. The obvious answer is always to move the guitar collection to a healthy production, just like a microphone. An identical thought was printed this 2001 patent request like this Kurt Cobain Mustang?