Paul Simon Guitarist A best guitar collection is actually just like a vibrant microphone coil. For decades, energetic microphones have been sent with the voice coil attached to the primary of the microphone's transformer, and not recommended to soil (‘floating'). The microphone's event is typically linked to the cable shield, that is connected to the mike amplifier's ground (see Rane's web site for more discussion).
By and big, dynamic microphones are extremely calm products consequently of the mix of transformer isolation and healthy, floating sign lines through the duration of, along with guarded, humbucking coils.
So why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are just an incomplete (though important!) solution. Well-known option is to move your guitar collection to a healthy output, just like a microphone. A similar strategy was printed this 2001 patent request such as Paul Simon Guitarist?