Kurt Cobain Guitars A electric guitar pickup is actually just like an energetic microphone coil. For many years, dynamic microphones have been sent with the style coil attached to the principal of the microphone's transformer, and perhaps not referenced to ground (‘floating'). The microphone's situation is normally connected to the cable shield, that will be connected to the microphone amplifier's floor (see Rane's website for more discussion).
By and large, active microphones are extremely quiet products consequently of the mixture of transformer solitude and healthy, flying indication lines throughout, in addition to protected, humbucking coils.
So why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are merely a partial (though essential!) solution. The obvious alternative would be to float your guitar pickup to a healthy output, as being a microphone. An identical idea was published that 2001 patent software like this Kurt Cobain Guitars?