Boss Loop Station Rc 2 A guitar pickup is actually similar to a dynamic microphone coil. For many years, vibrant microphones have now been wired with the style coil attached with the principal of the microphone's transformer, and not introduced to surface (‘floating'). The microphone's case is normally attached to the cable shield, which will be attached to the microphone amplifier's floor (see Rane's site for more discussion).
By and big, dynamic microphones are very quiet products as a result of the mix of transformer solitude and healthy, flying indication lines throughout, along with shielded, humbucking coils.
So why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are just a partial (though important!) solution. The most obvious alternative would be to move your guitar collection to a balanced productivity, as being a microphone. An identical thought was published that 2001 patent request such as Boss Loop Station Rc 2?