Guitar Pedals Under 100 A guitar collection is essentially much like a powerful mike coil. For many years, dynamic microphones have already been wired with the voice coil attached to the principal of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's situation is usually attached to the cable shield, that will be attached to the mike amplifier's ground (see Rane's site for more discussion).
By and big, powerful microphones are extremely calm products consequently of the mix of transformer isolation and healthy, flying transmission lines through the duration of, in addition to guarded, humbucking coils.
So why not guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are merely an incomplete (though essential!) solution. The obvious answer is to float the guitar pickup to a balanced production, just like a microphone. A similar idea was printed this 2001 patent application like this Guitar Pedals Under 100?