Led Zepplin 1 A best guitar pickup is basically similar to a vibrant microphone coil. For decades, active microphones have already been sent with the style coil attached to the primary of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's case is usually linked to the cable shield, which is linked to the microphone amplifier's soil (see Rane's internet site for more discussion).
By and large, vibrant microphones are extremely quiet units consequently of the mix of transformer isolation and healthy, hanging transmission lines throughout, as well as guarded, humbucking coils.
Therefore why not guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are merely a partial (though important!) solution. The most obvious answer is to move the guitar collection to a healthy productivity, just like a microphone. A similar strategy was published this 2001 patent application like this Led Zepplin 1?