Mbox 3 Pro A electric guitar collection is actually similar to a vibrant microphone coil. For decades, active microphones have been sent with the style coil attached to the primary of the microphone's transformer, and maybe not recommended to ground (‘floating'). The microphone's case is usually connected to the cable shield, which is attached to the microphone amplifier's floor (see Rane's site for more discussion).
By and large, powerful microphones are extremely calm devices as a result of the mixture of transformer isolation and healthy, suspended indication lines during, in addition to guarded, humbucking coils.
Therefore why not instruments? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious option would be to float practicing the guitar pickup to a healthy production, as being a microphone. A similar idea was published this 2001 patent request such as Mbox 3 Pro?