Van Halen Frankenstein A guitar collection is essentially much like a powerful microphone coil. For many years, powerful microphones have already been wired with the voice coil mounted on the primary of the microphone's transformer, and not called to ground (‘floating'). The microphone's event is usually linked to the cable shield, which can be connected to the mike amplifier's floor (see Rane's site for more discussion).
By and large, active microphones are extremely quiet units consequently of the mixture of transformer isolation and balanced, suspended sign lines during, as well as protected, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously plagued by noise. Humbucking pickups are only an incomplete (though important!) solution. The obvious option is to float practicing the guitar pickup to a healthy productivity, as being a microphone. An identical idea was printed that 2001 patent software like this Van Halen Frankenstein?