Digital Effects Processor A best guitar pickup is essentially similar to a powerful microphone coil. For decades, powerful microphones have already been sent with the voice coil attached to the primary of the microphone's transformer, and maybe not called to soil (‘floating'). The microphone's case is typically linked to the cable guard, that will be linked to the microphone amplifier's ground (see Rane's site for more discussion).
By and big, vibrant microphones are very quiet units as a result of the mix of transformer solitude and balanced, suspended sign lines through the duration of, as well as protected, humbucking coils.
So why not guitars? Instruments are notoriously affected by noise. Humbucking pickups are merely a partial (though essential!) solution. Well-known alternative is to move the guitar collection to a balanced productivity, just like a microphone. The same idea was printed this 2001 patent request such as Digital Effects Processor?