Kiko Loureiro Guitar A best guitar pickup is actually similar to an energetic microphone coil. For decades, dynamic microphones have now been wired with the style coil attached with the primary of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's situation is typically linked to the wire guard, that will be attached to the mike amplifier's soil (see Rane's internet site for more discussion).
By and large, active microphones are very calm products consequently of the combination of transformer solitude and healthy, floating transmission lines for the duration of, in addition to protected, humbucking coils.
So why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only an incomplete (though essential!) solution. The most obvious alternative is to float your guitar pickup to a healthy productivity, as being a microphone. An identical idea was printed this 2001 patent application such as Kiko Loureiro Guitar?