Buddy Guy Strat A guitar pickup is actually much like an energetic mike coil. For many years, active microphones have now been wired with the style coil mounted on the primary of the microphone's transformer, and perhaps not called to surface (‘floating'). The microphone's case is normally connected to the wire shield, which is attached to the mike amplifier's floor (see Rane's website for more discussion).
By and large, energetic microphones are extremely quiet products as a result of the mix of transformer isolation and healthy, hanging indication lines throughout, as well as protected, humbucking coils.
Therefore why not instruments? Guitars are once affected by noise. Humbucking pickups are just an incomplete (though essential!) solution. Well-known option is always to move practicing the guitar pickup to a healthy output, being a microphone. The same thought was printed that 2001 patent program like this Buddy Guy Strat?