Def Leppard Hysteria A best guitar pickup is actually just like an energetic mike coil. For many years, powerful microphones have been wired with the style coil mounted on the principal of the microphone's transformer, and not referenced to floor (‘floating'). The microphone's event is typically linked to the cable shield, that is connected to the microphone amplifier's surface (see Rane's web site for more discussion).
By and big, vibrant microphones are extremely calm products as a result of the combination of transformer solitude and healthy, floating sign lines throughout, as well as protected, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though important!) solution. The most obvious solution would be to move practicing the guitar collection to a healthy output, being a microphone. The same strategy was published this 2001 patent application such as Def Leppard Hysteria?