Christian Electric Guitar Amazing Grace A guitar pickup is actually just like a powerful microphone coil. For decades, active microphones have already been sent with the voice coil attached with the primary of the microphone's transformer, and maybe not recommended to soil (‘floating'). The microphone's situation is typically linked to the cable shield, which will be linked to the microphone amplifier's surface (see Rane's web site for more discussion).
By and large, powerful microphones are extremely quiet units as a result of the combination of transformer solitude and healthy, flying transmission lines throughout, as well as protected, humbucking coils.
Therefore why not guitars? Guitars are once plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. Well-known option would be to float the guitar pickup to a balanced result, being a microphone. An identical idea was printed this 2001 patent application such as Christian Electric Guitar Amazing Grace?