Bari Sax Reeds A electric guitar pickup is actually just like an energetic microphone coil. For many years, powerful microphones have been sent with the style coil mounted on the principal of the microphone's transformer, and perhaps not referenced to surface (‘floating'). The microphone's case is typically attached to the wire shield, that will be linked to the mike amplifier's ground (see Rane's web site for more discussion).
By and large, powerful microphones are extremely calm devices as a result of the combination of transformer isolation and healthy, hanging indication lines during, as well as guarded, humbucking coils.
So why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious answer would be to move practicing the guitar pickup to a balanced output, just like a microphone. A similar thought was published this 2001 patent application such as Bari Sax Reeds?