In Ear Monitors A electric guitar collection is essentially just like a vibrant mike coil. For many years, active microphones have already been sent with the voice coil attached to the primary of the microphone's transformer, and not introduced to surface (‘floating'). The microphone's case is typically attached to the wire shield, which will be attached to the mike amplifier's surface (see Rane's website for more discussion).
By and big, active microphones are extremely calm devices as a result of the combination of transformer isolation and healthy, hanging sign lines during, as well as protected, humbucking coils.
So why not guitars? Instruments are once plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious answer is to move practicing the guitar collection to a healthy productivity, as being a microphone. A similar idea was published that 2001 patent application like this In Ear Monitors?