Chibson Les Paul Custom A best guitar pickup is essentially just like a powerful microphone coil. For many years, dynamic microphones have now been wired with the style coil mounted on the primary of the microphone's transformer, and perhaps not referenced to surface (‘floating'). The microphone's case is usually connected to the wire shield, that is linked to the mike amplifier's ground (see Rane's internet site for more discussion).
By and large, vibrant microphones are very calm products as a result of the mix of transformer isolation and balanced, floating sign lines during, as well as shielded, humbucking coils.
So why not instruments? Instruments are once overwhelmed by noise. Humbucking pickups are only a partial (though important!) solution. Well-known alternative is to move practicing the guitar collection to a balanced result, just like a microphone. An identical idea was printed this 2001 patent application such as Chibson Les Paul Custom?