Gretsch Guitar Case A guitar pickup is actually just like an energetic mike coil. For many years, energetic microphones have now been sent with the style coil attached to the principal of the microphone's transformer, and not introduced to floor (‘floating'). The microphone's case is usually attached to the cable guard, that is linked to the mike amplifier's soil (see Rane's site for more discussion).
By and big, powerful microphones are very calm products consequently of the combination of transformer solitude and healthy, floating indication lines for the duration of, along with protected, humbucking coils.
So why don't you guitars? Guitars are once plagued by noise. Humbucking pickups are just an incomplete (though essential!) solution. The obvious alternative is to move practicing the guitar pickup to a healthy productivity, just like a microphone. The same idea was published that 2001 patent application such as Gretsch Guitar Case?