Acoustic Electric Hybrid Guitar A guitar pickup is essentially just like an energetic microphone coil. For many years, powerful microphones have now been wired with the voice coil mounted on the principal of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's event is normally linked to the cable shield, which is connected to the mike amplifier's surface (see Rane's web site for more discussion).
By and big, active microphones are very calm products as a result of the mixture of transformer isolation and healthy, hanging sign lines throughout, along with shielded, humbucking coils.
Therefore why don't you instruments? Guitars are notoriously plagued by noise. Humbucking pickups are just an incomplete (though essential!) solution. The obvious answer is to float your guitar collection to a healthy output, just like a microphone. The same strategy was published this 2001 patent program such as Acoustic Electric Hybrid Guitar?