Ibanez Prestige S A best guitar pickup is essentially just like a vibrant microphone coil. For decades, dynamic microphones have already been wired with the style coil attached with the primary of the microphone's transformer, and maybe not referenced to ground (‘floating'). The microphone's situation is usually connected to the cable shield, which will be connected to the microphone amplifier's soil (see Rane's website for more discussion).
By and large, dynamic microphones are extremely quiet units consequently of the combination of transformer isolation and balanced, suspended indication lines during, as well as protected, humbucking coils.
Therefore why not instruments? Instruments are once overwhelmed by noise. Humbucking pickups are merely a partial (though crucial!) solution. The obvious alternative is always to float the guitar pickup to a healthy result, as being a microphone. The same thought was printed this 2001 patent request such as Ibanez Prestige S?