Top Fuzz Pedal A best guitar pickup is essentially much like an energetic mike coil. For decades, vibrant microphones have been wired with the voice coil attached with the principal of the microphone's transformer, and not recommended to ground (‘floating'). The microphone's case is usually connected to the wire shield, that will be connected to the microphone amplifier's surface (see Rane's website for more discussion).
By and large, active microphones are very quiet products as a result of the mix of transformer isolation and healthy, suspended transmission lines for the duration of, along with guarded, humbucking coils.
So why don't you instruments? Instruments are once plagued by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known alternative is always to float the guitar pickup to a balanced output, as being a microphone. The same idea was published that 2001 patent program like this Top Fuzz Pedal?