Seagull Merlin Dulcimer A guitar pickup is actually much like an energetic mike coil. For decades, dynamic microphones have now been wired with the style coil attached with the principal of the microphone's transformer, and perhaps not called to surface (‘floating'). The microphone's situation is normally attached to the cable shield, which will be attached to the mike amplifier's surface (see Rane's internet site for more discussion).
By and big, dynamic microphones are extremely calm products consequently of the combination of transformer isolation and balanced, flying transmission lines throughout, as well as shielded, humbucking coils.
Therefore why don't you guitars? Instruments are once plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious answer is to move your guitar pickup to a balanced productivity, being a microphone. An identical strategy was published this 2001 patent request like this Seagull Merlin Dulcimer?