Apollo 8 Quad A guitar pickup is basically much like a vibrant microphone coil. For many years, powerful microphones have already been wired with the voice coil mounted on the primary of the microphone's transformer, and not called to surface (‘floating'). The microphone's case is normally linked to the wire guard, which can be attached to the microphone amplifier's ground (see Rane's web site for more discussion).
By and large, active microphones are very quiet devices as a result of the combination of transformer solitude and balanced, hanging sign lines throughout, as well as protected, humbucking coils.
Therefore you will want to guitars? Instruments are notoriously affected by noise. Humbucking pickups are merely an incomplete (though essential!) solution. The most obvious answer would be to move the guitar collection to a healthy production, as being a microphone. An identical idea was printed this 2001 patent software such as Apollo 8 Quad?