6 Channel Digital Audio Mixer A best guitar pickup is basically just like a powerful mike coil. For many years, dynamic microphones have already been wired with the style coil mounted on the primary of the microphone's transformer, and not referenced to ground (‘floating'). The microphone's situation is normally connected to the cable shield, that is linked to the mike amplifier's floor (see Rane's site for more discussion).
By and large, energetic microphones are very quiet units consequently of the combination of transformer isolation and balanced, floating indication lines all through, in addition to guarded, humbucking coils.
So why not guitars? Instruments are notoriously affected by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The obvious option would be to float practicing the guitar pickup to a healthy production, being a microphone. An identical strategy was printed this 2001 patent request such as 6 Channel Digital Audio Mixer?