Midas Mr 16 Digital Mixer A electric guitar pickup is actually just like a dynamic microphone coil. For many years, energetic microphones have now been wired with the style coil attached to the principal of the microphone's transformer, and not called to floor (‘floating'). The microphone's case is usually connected to the cable guard, that will be attached to the microphone amplifier's ground (see Rane's website for more discussion).
By and big, 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.
So why not guitars? Guitars are once overwhelmed by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious alternative would be to move the guitar collection to a healthy production, as being a microphone. A similar thought was published that 2001 patent application like this Midas Mr 16 Digital Mixer?