Kawai Digital Piano Amazon A guitar pickup is basically much like an energetic microphone coil. For decades, vibrant microphones have been sent with the voice coil mounted on the principal of the microphone's transformer, and perhaps not introduced to ground (‘floating'). The microphone's case is typically attached to the wire guard, which is attached to the microphone amplifier's surface (see Rane's web site for more discussion).
By and large, powerful microphones are very quiet units as a result of the mixture of transformer isolation and healthy, suspended sign lines throughout, along with shielded, humbucking coils.
So why don't you guitars? Instruments are once overwhelmed by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious alternative is always to float the guitar pickup to a healthy result, as being a microphone. A similar thought was published this 2001 patent program such as Kawai Digital Piano Amazon?