Acoustic Electric Amp A guitar pickup is actually just like an energetic mike coil. For decades, dynamic microphones have been wired with the style coil attached to the primary of the microphone's transformer, and not recommended to surface (‘floating'). The microphone's event is typically linked to the wire shield, which will be linked to the microphone amplifier's floor (see Rane's web site for more discussion).
By and large, dynamic microphones are extremely quiet units as a result of the combination of transformer solitude and healthy, floating sign lines for the duration of, along with shielded, humbucking coils.
Therefore why don't you guitars? Guitars are once affected by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known alternative is to float the guitar pickup to a balanced productivity, being a microphone. A similar idea was printed that 2001 patent software such as Acoustic Electric Amp?