Usb Mixer Controller A guitar collection is actually just like a powerful mike coil. For many years, active microphones have now been sent with the voice coil attached to the primary of the microphone's transformer, and not referenced to soil (‘floating'). The microphone's case is typically connected to the cable shield, that is attached to the microphone amplifier's soil (see Rane's web site for more discussion).
By and large, active microphones are extremely quiet units consequently of the combination of transformer isolation and balanced, flying sign lines during, as well as guarded, humbucking coils.
Therefore why not instruments? Guitars are once overwhelmed by noise. Humbucking pickups are merely a partial (though crucial!) solution. The obvious answer is to move practicing the guitar collection to a balanced output, just like a microphone. A similar thought was published this 2001 patent application such as Usb Mixer Controller?