I 595 Wireless Handheld Hart Communicator A guitar collection is basically much like a powerful microphone coil. For decades, powerful microphones have already been sent with the style coil mounted on the principal of the microphone's transformer, and perhaps not recommended to soil (‘floating'). The microphone's situation is normally connected to the wire shield, which will be linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, dynamic microphones are extremely calm products as a result of the mixture of transformer isolation and healthy, suspended indication lines for the duration of, along with guarded, humbucking coils.
So why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known answer is always to float your guitar collection to a healthy output, just like a microphone. A similar strategy was printed this 2001 patent program such as I 595 Wireless Handheld Hart Communicator?