Neil Young Tour 2017 A electric guitar collection is actually just like a vibrant mike coil. For many years, powerful microphones have already been sent with the voice coil attached to the principal of the microphone's transformer, and maybe not recommended to surface (‘floating'). The microphone's case is usually connected to the cable guard, which can be linked to the microphone amplifier's ground (see Rane's internet site for more discussion).
By and large, energetic microphones are very calm units as a result of the combination of transformer isolation and balanced, suspended transmission lines for the duration of, in addition to shielded, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known option is to float your guitar collection to a balanced output, as being a microphone. An identical idea was published this 2001 patent application such as Neil Young Tour 2017?