Apple Wired Keyboard Alternative A electric guitar pickup is basically just like an energetic mike coil. For many years, dynamic microphones have now been wired with the style coil mounted on the primary of the microphone's transformer, and not recommended to floor (‘floating'). The microphone's case is normally attached to the cable shield, that is attached to the mike amplifier's surface (see Rane's site for more discussion).
By and large, powerful microphones are extremely calm products as a result of the mix of transformer solitude and healthy, hanging transmission lines all through, in addition to guarded, humbucking coils.
So why not guitars? Instruments are once plagued by noise. Humbucking pickups are only a partial (though important!) solution. Well-known answer would be to move your guitar pickup to a balanced productivity, just like a microphone. A similar strategy was printed this 2001 patent request such as Apple Wired Keyboard Alternative?