Rivera Rock Crusher A guitar collection is basically similar to a powerful mike coil. For decades, active microphones have now been wired with the voice coil mounted on the principal of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is typically connected to the cable guard, that will be linked to the mike amplifier's ground (see Rane's site for more discussion).
By and large, energetic microphones are very calm products as a result of the combination of transformer solitude and balanced, hanging indication lines throughout, along with shielded, humbucking coils.
So why not instruments? Instruments are once affected by noise. Humbucking pickups are merely a partial (though essential!) solution. The obvious answer is to float your guitar pickup to a healthy production, just like a microphone. The same idea was published that 2001 patent application such as Rivera Rock Crusher?