Best Picks For Acoustic Guitar A best guitar pickup is essentially just like a vibrant microphone coil. For many years, active microphones have been wired with the voice coil attached to the primary of the microphone's transformer, and perhaps not introduced to surface (‘floating'). The microphone's event is typically connected to the cable guard, which is linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and big, active microphones are extremely quiet units consequently of the mix of transformer solitude and healthy, floating sign lines through the duration of, as well as protected, humbucking coils.
So why not guitars? Guitars are once plagued by noise. Humbucking pickups are just an incomplete (though important!) solution. Well-known answer is always to move the guitar pickup to a balanced output, just like a microphone. The same idea was published this 2001 patent request such as Best Picks For Acoustic Guitar?