Fender Cd 140sce Acoustic Electric Guitar A electric guitar collection is essentially similar to a vibrant mike coil. For decades, active microphones have now been wired with the style coil attached to the principal of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's case is usually linked to the cable shield, which will be linked to the mike amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are very calm products as a result of the mix of transformer isolation and healthy, hanging indication lines during, in addition to shielded, humbucking coils.
So why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are just a partial (though crucial!) solution. Well-known option would be to float practicing the guitar pickup to a balanced output, as being a microphone. A similar idea was printed that 2001 patent application such as Fender Cd 140sce Acoustic Electric Guitar?