Bass Guitar Hard Case A guitar collection is essentially similar to a powerful microphone coil. For decades, vibrant microphones have already been sent with the style coil attached to the principal of the microphone's transformer, and not called to floor (‘floating'). The microphone's event is usually connected to the cable guard, that will be connected to the microphone amplifier's ground (see Rane's site for more discussion).
By and big, powerful microphones are very quiet units consequently of the mix of transformer isolation and balanced, flying transmission lines through the duration of, as well as guarded, humbucking coils.
Therefore why not instruments? Guitars are notoriously plagued by noise. Humbucking pickups are merely a partial (though important!) solution. The obvious answer would be to move the guitar pickup to a balanced result, just like a microphone. An identical strategy was published that 2001 patent request like this Bass Guitar Hard Case?