Drum Heads Guide A guitar pickup is essentially much like a vibrant mike coil. For decades, powerful microphones have now been sent with the style coil mounted on the principal of the microphone's transformer, and maybe not called to soil (‘floating'). The microphone's event is usually connected to the wire guard, which is attached to the microphone amplifier's ground (see Rane's site for more discussion).
By and large, dynamic microphones are very quiet products consequently of the mixture of transformer isolation and balanced, suspended sign lines throughout, as well as shielded, humbucking coils.
So why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are just a partial (though crucial!) solution. The most obvious answer would be to float the guitar pickup to a balanced output, as being a microphone. An identical idea was printed that 2001 patent software such as Drum Heads Guide?