Sunburst P Bass A best guitar pickup is actually much like a powerful mike coil. For many years, vibrant microphones have been wired with the style coil attached to the primary of the microphone's transformer, and not recommended to surface (‘floating'). The microphone's case is normally linked to the wire shield, which is linked to the microphone amplifier's floor (see Rane's website for more discussion).
By and big, dynamic microphones are extremely calm units as a result of the combination of transformer isolation and healthy, suspended sign lines for the duration of, as well as shielded, humbucking coils.
So why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are just an incomplete (though important!) solution. Well-known answer is to move your guitar collection to a balanced production, as being a microphone. The same strategy was printed that 2001 patent program like this Sunburst P Bass?