Tenor Sax Case A guitar pickup is basically much like a vibrant mike coil. For decades, energetic microphones have now been sent with the voice coil attached to the principal of the microphone's transformer, and maybe not referenced to ground (‘floating'). The microphone's case is typically linked to the cable guard, which is attached to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are extremely calm units consequently of the combination of transformer solitude and balanced, suspended transmission lines all through, in addition to guarded, humbucking coils.
Therefore why not guitars? Instruments are once plagued by noise. Humbucking pickups are merely a partial (though crucial!) solution. Well-known solution is to move practicing the guitar pickup to a balanced productivity, being a microphone. An identical idea was printed this 2001 patent program such as Tenor Sax Case?