Bob Weir Tour A best guitar pickup is actually much like an energetic microphone coil. For decades, powerful microphones have been wired with the style coil mounted on the primary of the microphone's transformer, and perhaps not called to soil (‘floating'). The microphone's event is usually attached to the cable guard, which can be connected to the microphone amplifier's ground (see Rane's website for more discussion).
By and big, energetic microphones are extremely quiet units consequently of the combination of transformer solitude and healthy, hanging sign lines throughout, in addition to shielded, humbucking coils.
Therefore why not guitars? Instruments are once overwhelmed by noise. Humbucking pickups are merely an incomplete (though essential!) solution. The obvious answer is to float your guitar collection to a balanced production, just like a microphone. The same thought was printed that 2001 patent application such as Bob Weir Tour?