Hard Rock Love Songs A best guitar pickup is actually much like a dynamic mike coil. For many years, energetic microphones have been wired with the voice coil attached to the principal of the microphone's transformer, and maybe not called to ground (‘floating'). The microphone's situation is typically attached to the wire guard, that is linked to the microphone amplifier's floor (see Rane's web site for more discussion).
By and big, energetic microphones are extremely quiet products as a result of the mixture of transformer isolation and balanced, hanging indication lines for the duration of, in addition to guarded, humbucking coils.
So why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are merely a partial (though important!) solution. The most obvious option is to float practicing the guitar collection to a balanced result, just like a microphone. A similar thought was printed this 2001 patent request like this Hard Rock Love Songs?