Custom Guitar Volume Knobs A guitar collection is essentially just like a powerful mike coil. For decades, powerful microphones have been wired with the voice coil attached to the principal of the microphone's transformer, and not recommended to ground (‘floating'). The microphone's situation is normally connected to the cable shield, that is linked to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, active microphones are very calm units as a result of the combination of transformer solitude and healthy, hanging sign lines during, along with protected, humbucking coils.
Therefore why don't you guitars? Instruments are once affected by noise. Humbucking pickups are only a partial (though crucial!) solution. Well-known option is to float the guitar pickup to a healthy result, just like a microphone. An identical thought was printed that 2001 patent application like this Custom Guitar Volume Knobs?