Carvin Sb 5000 A best guitar pickup is essentially much like a vibrant microphone coil. For decades, dynamic microphones have been wired with the voice coil mounted on the primary of the microphone's transformer, and perhaps not called to soil (‘floating'). The microphone's case is usually connected to the wire shield, which is connected to the microphone amplifier's ground (see Rane's internet site for more discussion).
By and big, energetic microphones are extremely calm units consequently of the mixture of transformer isolation and balanced, hanging indication lines during, along with protected, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely a partial (though crucial!) solution. The most obvious answer is to float the guitar collection to a balanced output, being a microphone. A similar thought was published that 2001 patent request such as Carvin Sb 5000?