Country Music Tablature A guitar pickup is actually much like an energetic mike coil. For many years, dynamic microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and maybe not referenced to surface (‘floating'). The microphone's case is typically connected to the cable guard, that will be connected to the mike amplifier's floor (see Rane's web site for more discussion).
By and big, active microphones are extremely calm products as a result of the mixture of transformer isolation and balanced, suspended indication lines for the duration of, as well as shielded, humbucking coils.
So why don't you guitars? Instruments are once overwhelmed by noise. Humbucking pickups are only an incomplete (though essential!) solution. The most obvious solution is always to float the guitar collection to a balanced productivity, as being a microphone. A similar idea was printed that 2001 patent request like this Country Music Tablature?