12 String Bass Guitar A electric guitar pickup is basically much like a vibrant microphone coil. For decades, powerful microphones have been wired with the voice coil attached to the primary of the microphone's transformer, and not referenced to floor (‘floating'). The microphone's case is usually linked to the wire shield, that will be linked to the mike amplifier's soil (see Rane's site for more discussion).
By and big, dynamic microphones are extremely calm products as a result of the combination of transformer solitude and balanced, floating indication lines all through, as well as protected, humbucking coils.
Therefore why don't you instruments? Instruments are once affected by noise. Humbucking pickups are just an incomplete (though important!) solution. The obvious answer is always to move the guitar pickup to a balanced production, as being a microphone. An identical strategy was published that 2001 patent software like this 12 String Bass Guitar?