Speaker Cables What Hi Fi A guitar pickup is actually much like a dynamic microphone coil. For decades, dynamic microphones have now been sent with the style coil mounted on the primary of the microphone's transformer, and not introduced to surface (‘floating'). The microphone's event is typically attached to the cable guard, which can be attached to the mike amplifier's ground (see Rane's website for more discussion).
By and big, powerful microphones are extremely calm devices consequently of the mix of transformer solitude and balanced, floating sign lines for the duration of, as well as protected, humbucking coils.
So why don't you guitars? Instruments are once affected by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious alternative is to move practicing the guitar collection to a healthy output, being a microphone. An identical thought was published that 2001 patent application such as Speaker Cables What Hi Fi?