Small Dynamic Microphone Element A electric guitar pickup is actually just like an energetic mike coil. For many years, dynamic microphones have now been sent with the style coil attached with the principal of the microphone's transformer, and maybe not recommended to ground (‘floating'). The microphone's situation is usually linked to the cable guard, which will be linked to the microphone amplifier's surface (see Rane's site for more discussion).
By and big, active microphones are very calm devices consequently of the combination of transformer isolation and healthy, suspended transmission lines all through, as well as guarded, humbucking coils.
So why don't you guitars? Instruments are once affected by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The obvious option would be to move your guitar pickup to a healthy productivity, being a microphone. The same idea was published this 2001 patent software such as Small Dynamic Microphone Element?