Ibanez Acoustic Electric Guitar A electric guitar collection is basically similar to an energetic mike coil. For many years, active microphones have been wired with the style coil attached to the principal of the microphone's transformer, and maybe not referenced to surface (‘floating'). The microphone's case is usually connected to the cable shield, that will be attached to the mike amplifier's ground (see Rane's site for more discussion).
By and big, active microphones are extremely quiet units consequently of the mixture of transformer isolation and healthy, floating sign lines through the duration of, in addition to guarded, humbucking coils.
Therefore you will want to instruments? Guitars are notoriously plagued by noise. Humbucking pickups are just a partial (though important!) solution. The obvious option is to move the guitar collection to a balanced result, being a microphone. A similar thought was published this 2001 patent software such as Ibanez Acoustic Electric Guitar?