Electric Guitar Pedal Boards A guitar pickup is actually much like a powerful mike coil. For decades, powerful microphones have already been wired with the style coil attached to the principal of the microphone's transformer, and maybe not called to ground (‘floating'). The microphone's event is usually connected to the wire shield, which will be connected to the microphone amplifier's surface (see Rane's site for more discussion).
By and large, powerful microphones are extremely calm products consequently of the mixture of transformer isolation and balanced, suspended transmission lines through the duration of, in addition to protected, humbucking coils.
So why don't you instruments? Guitars are once overwhelmed by noise. Humbucking pickups are only a partial (though important!) solution. The most obvious answer is always to float the guitar collection to a balanced production, being a microphone. A similar thought was printed this 2001 patent program like this Electric Guitar Pedal Boards?