Broadway Big Band A guitar collection is basically just like an energetic mike coil. For many years, vibrant microphones have been sent with the style coil attached to the primary of the microphone's transformer, and perhaps not recommended to floor (‘floating'). The microphone's case is usually linked to the wire shield, which is connected to the microphone amplifier's floor (see Rane's site for more discussion).
By and big, energetic microphones are extremely calm devices as a result of the mixture of transformer solitude and balanced, suspended indication lines all through, in addition to protected, humbucking coils.
Therefore why don't you guitars? Guitars are once affected by noise. Humbucking pickups are only a partial (though essential!) solution. The obvious alternative is always to move your guitar collection to a healthy output, being a microphone. An identical strategy was printed this 2001 patent application such as Broadway Big Band?