M Audio Nova A guitar pickup is basically just like a vibrant mike coil. For many years, vibrant microphones have now been sent with the voice coil attached to the principal of the microphone's transformer, and perhaps not referenced to floor (‘floating'). The microphone's case is usually linked to the wire guard, which is attached to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are extremely quiet units consequently of the mixture of transformer isolation and healthy, flying indication lines for the duration of, along with protected, humbucking coils.
So why not instruments? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious alternative would be to move the guitar collection to a balanced output, just like a microphone. The same thought was printed this 2001 patent program such as M Audio Nova?