Audio Studio Desk A best guitar collection is actually much like a dynamic microphone coil. For decades, energetic microphones have already been sent with the style coil mounted on the principal of the microphone's transformer, and maybe not recommended to surface (‘floating'). The microphone's case is typically linked to the cable shield, that is attached to the mike amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are extremely calm units as a result of the mix of transformer solitude and healthy, hanging transmission lines through the duration of, in addition to guarded, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. Well-known answer would be to float the guitar collection to a balanced output, as being a microphone. An identical thought was printed this 2001 patent program like this Audio Studio Desk?