Fender Acoustic Bass Guitar A best guitar pickup is essentially just like a vibrant microphone coil. For decades, active microphones have already been wired with the style coil attached with the principal of the microphone's transformer, and maybe not called to soil (‘floating'). The microphone's case is normally linked to the cable guard, that is linked to the mike amplifier's surface (see Rane's web site for more discussion).
By and large, dynamic microphones are very calm products consequently of the mixture of transformer isolation and healthy, floating indication lines throughout, along with shielded, humbucking coils.
So why not instruments? Instruments are notoriously plagued by noise. Humbucking pickups are just a partial (though important!) solution. The obvious solution is to move your guitar collection to a healthy production, just like a microphone. An identical idea was printed this 2001 patent application like this Fender Acoustic Bass Guitar?