Aston Microphones Spirit A electric guitar pickup is actually similar to an energetic microphone coil. For many years, active microphones have now been sent with the style coil mounted on the principal of the microphone's transformer, and perhaps not recommended to ground (‘floating'). The microphone's event is usually connected to the wire shield, which can be linked to the microphone amplifier's floor (see Rane's web site for more discussion).
By and large, active microphones are extremely calm products consequently of the mix of transformer isolation and balanced, suspended sign lines during, in addition to guarded, humbucking coils.
So why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. Well-known option would be to float the guitar collection to a healthy output, being a microphone. A similar strategy was published that 2001 patent software such as Aston Microphones Spirit?