Concerts Madison Square Garden A guitar collection is actually just like an energetic microphone coil. For decades, dynamic microphones have already been wired with the style coil attached to the primary of the microphone's transformer, and not introduced to ground (‘floating'). The microphone's event is typically connected to the wire guard, which can be connected to the mike amplifier's soil (see Rane's web site for more discussion).
By and large, powerful microphones are extremely calm products as a result of the mix of transformer isolation and healthy, flying sign lines throughout, in addition to shielded, humbucking coils.
Therefore why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The obvious solution would be to float your guitar pickup to a healthy productivity, being a microphone. An identical thought was published that 2001 patent software such as Concerts Madison Square Garden?