Taylor 800 Series A guitar pickup is basically just like a powerful mike coil. For many years, active microphones have been sent with the style coil attached to the principal of the microphone's transformer, and maybe not introduced to surface (‘floating'). The microphone's case is typically linked to the wire guard, which is connected to the mike amplifier's surface (see Rane's web site for more discussion).
By and large, active microphones are extremely quiet products consequently of the mixture of transformer solitude and healthy, flying indication lines during, in addition to protected, humbucking coils.
So why don't you instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only an incomplete (though crucial!) solution. Well-known answer is to float practicing the guitar collection to a balanced output, being a microphone. The same strategy was printed this 2001 patent software such as Taylor 800 Series?