Marching Drum Sticks A electric guitar pickup is actually just like a dynamic microphone coil. For many years, vibrant microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and perhaps not introduced to ground (‘floating'). The microphone's event is typically attached to the cable shield, which will be linked to the microphone amplifier's surface (see Rane's website for more discussion).
By and big, active microphones are very quiet units consequently of the combination of transformer solitude and healthy, hanging indication lines throughout, 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 crucial!) solution. The obvious alternative is always to float the guitar pickup to a healthy production, being a microphone. A similar idea was printed this 2001 patent request like this Marching Drum Sticks?