Sonic Blue Telecaster A electric guitar collection is basically much like an energetic microphone coil. For decades, energetic microphones have already been wired with the voice coil mounted on the principal of the microphone's transformer, and not referenced to floor (‘floating'). The microphone's event is usually linked to the wire guard, which will be connected to the microphone amplifier's ground (see Rane's website for more discussion).
By and large, dynamic microphones are very quiet devices consequently of the combination of transformer solitude and healthy, suspended indication lines through the duration of, along with shielded, humbucking coils.
Therefore why don't you instruments? Instruments are once plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The most obvious answer is to float the guitar pickup to a balanced result, just like a microphone. A similar thought was published that 2001 patent application like this Sonic Blue Telecaster?