D Addario Bass Guitar Strings A electric guitar pickup is essentially similar to an energetic mike coil. For decades, vibrant microphones have been wired with the voice coil attached with the primary of the microphone's transformer, and perhaps not called to ground (‘floating'). The microphone's case is typically linked to the wire guard, which is connected to the mike amplifier's floor (see Rane's site for more discussion).
By and big, dynamic microphones are very quiet devices as a result of the mixture of transformer solitude and healthy, floating indication lines throughout, in addition to protected, humbucking coils.
So why not guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious solution is to float your guitar pickup to a balanced production, being a microphone. An identical idea was published that 2001 patent application such as D Addario Bass Guitar Strings?