Fires In The Sky A guitar pickup is actually much like a vibrant microphone coil. For many years, active microphones have now been sent with the voice coil attached to the principal of the microphone's transformer, and maybe not referenced to surface (‘floating'). The microphone's situation is usually connected to the wire shield, that is connected to the microphone amplifier's floor (see Rane's site for more discussion).
By and big, energetic microphones are extremely quiet products as a result of the combination of transformer solitude and healthy, hanging indication lines for the duration of, along with shielded, humbucking coils.
So why don't you instruments? Instruments are notoriously plagued by noise. Humbucking pickups are just an incomplete (though essential!) solution. Well-known option is always to move your guitar pickup to a balanced productivity, being a microphone. The same thought was published that 2001 patent request like this Fires In The Sky?