I Rig Guitar Center A guitar collection is actually similar to a vibrant mike coil. For many years, active microphones have been sent with the voice coil mounted on the primary of the microphone's transformer, and perhaps not introduced to surface (‘floating'). The microphone's event is normally linked to the cable shield, that will be linked to the microphone amplifier's ground (see Rane's website for more discussion).
By and big, energetic microphones are very calm devices as a result of the mix of transformer isolation and balanced, hanging indication lines all through, in addition to protected, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious alternative is always to move your guitar pickup to a healthy output, as being a microphone. A similar thought was printed this 2001 patent application such as I Rig Guitar Center?