Avenged Sevenfold Guitar Hero Live A electric guitar collection is essentially much like a vibrant mike coil. For decades, active microphones have been sent with the style coil attached with the primary of the microphone's transformer, and perhaps not introduced to ground (‘floating'). The microphone's case is usually connected to the cable guard, that is connected to the mike amplifier's ground (see Rane's website for more discussion).
By and large, energetic microphones are very quiet units consequently of the mix of transformer isolation and balanced, flying sign lines for the duration of, as well as guarded, humbucking coils.
Therefore why not guitars? Guitars are once plagued by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known answer would be to float your guitar pickup to a healthy production, being a microphone. A similar strategy was printed this 2001 patent application like this Avenged Sevenfold Guitar Hero Live?