Traveler Classical Guitar A guitar pickup is basically much like a vibrant microphone coil. For many years, vibrant microphones have been wired with the style coil attached to the primary of the microphone's transformer, and not called to soil (‘floating'). The microphone's case is usually attached to the wire guard, which is linked to the microphone amplifier's soil (see Rane's internet site for more discussion).
By and big, vibrant microphones are extremely quiet products as a result of the combination of transformer isolation and balanced, hanging transmission lines for the duration of, in addition to guarded, humbucking coils.
Therefore why don't you instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious option is always to move the guitar collection to a balanced production, being a microphone. A similar strategy was published that 2001 patent application such as Traveler Classical Guitar?