Gibson Guitar Parts For Sale A best guitar pickup is basically just like a powerful microphone coil. For decades, powerful microphones have been wired with the style coil attached to the principal of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's case is typically connected to the cable shield, that will be attached to the mike amplifier's ground (see Rane's web site for more discussion).
By and big, energetic microphones are very quiet devices consequently of the mix of transformer isolation and balanced, flying indication lines during, as well as guarded, humbucking coils.
So why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only an incomplete (though essential!) solution. The obvious solution is to move your guitar collection to a balanced production, being a microphone. An identical idea was published that 2001 patent application such as Gibson Guitar Parts For Sale?