Sting Ray Classic A electric guitar pickup is basically similar to a vibrant microphone coil. For many years, vibrant microphones have now been sent with the style coil attached with the primary of the microphone's transformer, and not referenced to soil (‘floating'). The microphone's case is normally connected to the cable guard, that will be attached to the microphone amplifier's surface (see Rane's website for more discussion).
By and big, powerful microphones are very quiet devices as a result of the combination of transformer solitude and balanced, hanging sign lines through the duration of, in addition to shielded, humbucking coils.
So why not instruments? Instruments are once affected by noise. Humbucking pickups are just a partial (though essential!) solution. The obvious option is always to move practicing the guitar collection to a healthy production, just like a microphone. The same thought was printed that 2001 patent request such as Sting Ray Classic?