Snare Drum Sheet Music A guitar collection is essentially much like an energetic mike coil. For many years, active microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and maybe not introduced to soil (‘floating'). The microphone's case is usually attached to the cable shield, that is connected to the mike amplifier's floor (see Rane's web site for more discussion).
By and big, energetic microphones are very quiet products as a result of the mixture of transformer isolation and healthy, hanging transmission lines throughout, along with protected, humbucking coils.
So why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious answer is to move the guitar collection to a balanced productivity, being a microphone. A similar strategy was published this 2001 patent request like this Snare Drum Sheet Music?