Bass Guitar String Jewelry A guitar collection is actually much like a dynamic microphone coil. For decades, energetic microphones have already been wired with the voice coil attached with the principal of the microphone's transformer, and perhaps not called to soil (‘floating'). The microphone's case is typically linked to the wire shield, which will be connected to the microphone amplifier's soil (see Rane's site for more discussion).
By and big, vibrant microphones are extremely calm devices consequently of the combination of transformer isolation and balanced, flying indication lines throughout, along with protected, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though important!) solution. The obvious option would be to float the guitar pickup to a healthy output, being a microphone. An identical idea was printed this 2001 patent application such as Bass Guitar String Jewelry?