Zoom Video Recorder A best guitar pickup is actually just like a vibrant mike coil. For decades, vibrant microphones have now been wired with the style coil attached to the principal of the microphone's transformer, and maybe not recommended to floor (‘floating'). The microphone's case is normally connected to the wire shield, which can be connected to the microphone amplifier's soil (see Rane's internet site for more discussion).
By and big, powerful microphones are very calm devices consequently of the mixture of transformer solitude and balanced, floating indication lines for the duration of, as well as shielded, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only a partial (though important!) solution. The obvious solution is to move your guitar collection to a healthy output, being a microphone. An identical strategy was printed this 2001 patent application such as Zoom Video Recorder?