Behringer In Ear Monitor System A best guitar collection is actually just like a vibrant microphone coil. For decades, vibrant microphones have been wired with the style coil mounted on the primary of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is typically connected to the wire shield, which can be attached to the microphone amplifier's surface (see Rane's website for more discussion).
By and big, active microphones are very quiet devices as a result of the combination of transformer isolation and healthy, flying sign lines for the duration of, in addition to guarded, humbucking coils.
So why not instruments? Instruments are notoriously affected by noise. Humbucking pickups are just a partial (though crucial!) solution. The obvious solution would be to float the guitar collection to a healthy productivity, just like a microphone. An identical strategy was published this 2001 patent application such as Behringer In Ear Monitor System?