Rolling Stones Guitar A best guitar pickup is basically just like a dynamic mike coil. For many years, active microphones have now been sent with the voice coil attached with the principal of the microphone's transformer, and maybe not recommended to surface (‘floating'). The microphone's case is typically connected to the wire shield, that will be attached to the mike amplifier's ground (see Rane's internet site for more discussion).
By and big, dynamic microphones are very calm units as a result of the mix of transformer isolation and balanced, floating indication lines throughout, along with protected, humbucking coils.
Therefore you will want to guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known option would be to move your guitar pickup to a healthy production, as being a microphone. A similar strategy was printed that 2001 patent application like this Rolling Stones Guitar?