Korg Ca 1 A best guitar collection is basically similar to a vibrant mike coil. For many years, vibrant microphones have been wired with the voice coil attached with the principal of the microphone's transformer, and maybe not referenced to ground (‘floating'). The microphone's case is usually linked to the wire shield, which is connected to the microphone amplifier's surface (see Rane's site for more discussion).
By and large, energetic microphones are extremely calm products as a result of the mix of transformer solitude and healthy, floating indication lines through the duration of, as well as shielded, humbucking coils.
Therefore why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are merely a partial (though important!) solution. The most obvious solution is to float practicing the guitar pickup to a balanced result, as being a microphone. An identical idea was published this 2001 patent application such as Korg Ca 1?