Don T Let Me Down Guitar A best guitar pickup is basically similar to a dynamic mike coil. For many years, active microphones have been wired with the style coil attached to the principal of the microphone's transformer, and perhaps not called to floor (‘floating'). The microphone's situation is typically linked to the cable guard, which can be attached to the microphone amplifier's ground (see Rane's web site for more discussion).
By and large, vibrant microphones are very calm units as a result of the combination of transformer isolation and healthy, hanging sign lines during, along with guarded, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are just a partial (though crucial!) solution. The most obvious alternative would be to move your guitar collection to a healthy output, just like a microphone. The same strategy was published this 2001 patent request like this Don T Let Me Down Guitar?