Compact Pa System A best guitar pickup is basically similar to an energetic microphone coil. For decades, active microphones have already been sent with the style coil mounted on the primary of the microphone's transformer, and not introduced to ground (‘floating'). The microphone's event is typically attached to the cable guard, which is linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and big, powerful microphones are extremely quiet units as a result of the mix of transformer isolation and balanced, floating indication lines throughout, along with shielded, humbucking coils.
So you will want to guitars? Instruments are notoriously affected by noise. Humbucking pickups are merely a partial (though crucial!) solution. Well-known solution would be to float your guitar collection to a balanced production, being a microphone. The same thought was printed this 2001 patent program such as Compact Pa System?