Best Harmonizer Pedal A guitar pickup is actually much like an energetic microphone coil. For decades, dynamic microphones have been sent with the voice coil attached with the primary of the microphone's transformer, and maybe not introduced to soil (‘floating'). The microphone's situation is usually connected to the wire shield, that will be attached to the mike amplifier's soil (see Rane's site for more discussion).
By and large, vibrant microphones are extremely calm units as a result of the combination of transformer isolation and healthy, floating indication lines for the duration of, in addition to shielded, humbucking coils.
So why not guitars? Instruments are once overwhelmed by noise. Humbucking pickups are merely a partial (though crucial!) solution. Well-known solution is to move your guitar pickup to a healthy production, as being a microphone. An identical strategy was printed this 2001 patent request like this Best Harmonizer Pedal?