Guitar Strings Leaving Black Marks On Fingers A guitar collection is basically similar to an energetic mike coil. For many years, energetic microphones have already been sent with the voice coil mounted on the primary of the microphone's transformer, and perhaps not introduced to ground (‘floating'). The microphone's situation is usually attached to the cable guard, which will be connected to the microphone amplifier's ground (see Rane's site for more discussion).
By and big, active microphones are very calm devices as a result of the mix of transformer isolation and healthy, hanging transmission lines all through, along with protected, humbucking coils.
Therefore you will want to guitars? Instruments are once overwhelmed by noise. Humbucking pickups are just a partial (though essential!) solution. Well-known alternative is to float your guitar collection to a healthy result, being a microphone. An identical idea was printed this 2001 patent request such as Guitar Strings Leaving Black Marks On Fingers?