Epiphone El 00 Pro A guitar pickup is essentially much like an energetic microphone coil. For decades, energetic microphones have been wired with the voice coil mounted on the principal of the microphone's transformer, and perhaps not referenced to soil (‘floating'). The microphone's case is normally attached to the wire guard, which can be linked to the microphone amplifier's surface (see Rane's web site for more discussion).
By and large, powerful microphones are very quiet units as a result of the mixture of transformer isolation and balanced, suspended sign lines during, in addition to shielded, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously affected by noise. Humbucking pickups are only a partial (though important!) solution. The obvious solution is always to float the guitar collection to a healthy production, just like a microphone. The same strategy was published that 2001 patent software like this Epiphone El 00 Pro?