Double String Guitar A best guitar collection is essentially much like a vibrant microphone coil. For many years, active microphones have been wired with the voice coil mounted on the primary of the microphone's transformer, and not recommended to ground (‘floating'). The microphone's event is normally connected to the wire shield, which will be linked to the microphone amplifier's ground (see Rane's website for more discussion).
By and large, energetic microphones are very quiet units as a result of the combination of transformer isolation and balanced, floating transmission lines for the duration of, in addition to protected, humbucking coils.
So why not guitars? Instruments are once affected by noise. Humbucking pickups are only an incomplete (though important!) solution. The obvious option is to move your guitar pickup to a balanced output, being a microphone. A similar thought was printed this 2001 patent software like this Double String Guitar?