Music Store Mesa Az A guitar pickup is actually just like a vibrant microphone coil. For many years, vibrant microphones have now been wired with the voice coil attached with the primary of the microphone's transformer, and not referenced to ground (‘floating'). The microphone's event is normally linked to the cable shield, which is linked to the mike amplifier's ground (see Rane's website for more discussion).
By and big, active microphones are very calm units consequently of the mix of transformer isolation and balanced, floating indication lines for the duration of, in addition to shielded, humbucking coils.
Therefore why don't you guitars? Guitars are once plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The obvious solution would be to float practicing the guitar pickup to a healthy output, as being a microphone. The same idea was printed that 2001 patent application such as Music Store Mesa Az?