Full Compass Audio A guitar pickup is actually just like a vibrant microphone coil. For many years, active microphones have been sent with the style coil mounted on the principal of the microphone's transformer, and not introduced to soil (‘floating'). The microphone's event is typically attached to the cable shield, which is connected to the microphone amplifier's ground (see Rane's site for more discussion).
By and large, powerful microphones are extremely quiet devices as a result of the mix of transformer isolation and healthy, floating indication lines through the duration of, along with guarded, humbucking coils.
So why not guitars? Guitars are once affected by noise. Humbucking pickups are merely an incomplete (though essential!) solution. The most obvious answer is always to move the guitar collection to a healthy productivity, being a microphone. An identical strategy was printed that 2001 patent request like this Full Compass Audio?