Tama Iron Cobra Double Pedals A guitar collection is basically much like an energetic mike coil. For decades, dynamic microphones have already been wired with the style coil attached to the primary of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's situation is usually connected to the wire guard, that is attached to the microphone amplifier's surface (see Rane's web site for more discussion).
By and big, active microphones are extremely quiet devices as a result of the mixture of transformer solitude and balanced, hanging transmission lines through the duration of, along with protected, humbucking coils.
Therefore why not guitars? Guitars are once affected by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious answer is to float the guitar collection to a balanced output, being a microphone. An identical idea was published this 2001 patent software such as Tama Iron Cobra Double Pedals?