Marshall Tube Amps A guitar pickup is essentially just like a powerful microphone coil. For many years, energetic microphones have been sent with the style coil attached to the primary of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is normally connected to the wire guard, that will be linked to the mike amplifier's soil (see Rane's internet site for more discussion).
By and large, active microphones are extremely calm units as a result of the mix of transformer solitude and balanced, suspended indication lines throughout, along with shielded, humbucking coils.
So why not guitars? Guitars are once overwhelmed by noise. Humbucking pickups are only a partial (though essential!) solution. The obvious solution would be to float your guitar pickup to a balanced production, just like a microphone. A similar strategy was published this 2001 patent request like this Marshall Tube Amps?