Les Paul Jr P90 A guitar pickup is essentially much like a dynamic microphone coil. For many years, powerful microphones have now been sent with the style coil attached with the primary of the microphone's transformer, and maybe not referenced to soil (‘floating'). The microphone's situation is typically linked to the wire shield, that will be attached to the microphone amplifier's surface (see Rane's internet site for more discussion).
By and large, dynamic microphones are extremely calm units as a result of the combination of transformer solitude and healthy, flying indication lines all through, as well as shielded, humbucking coils.
Therefore why not guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though essential!) solution. Well-known solution would be to float your guitar collection to a balanced result, being a microphone. The same idea was printed this 2001 patent application like this Les Paul Jr P90?