Fender Mustang 3 Amp A guitar collection is essentially just like a dynamic mike coil. For decades, dynamic microphones have now been wired with the voice coil mounted on the primary of the microphone's transformer, and maybe not referenced to floor (‘floating'). The microphone's event is usually linked to the cable shield, that is attached to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, vibrant microphones are extremely quiet units consequently of the mixture of transformer solitude and healthy, floating sign lines for the duration of, in addition to shielded, humbucking coils.
So why don't you instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are just an incomplete (though essential!) solution. The obvious answer would be to move your guitar collection to a healthy output, just like a microphone. The same idea was published that 2001 patent request like this Fender Mustang 3 Amp?