Peavey Impulse Ii A best guitar pickup is essentially much like a powerful microphone coil. For many years, energetic microphones have been sent with the style coil attached with the primary of the microphone's transformer, and perhaps not called to floor (‘floating'). The microphone's case is usually linked to the cable guard, which will be linked to the mike amplifier's surface (see Rane's web site for more discussion).
By and large, dynamic microphones are extremely calm units as a result of the mix of transformer isolation and healthy, floating indication lines throughout, in addition to guarded, humbucking coils.
Therefore why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only an incomplete (though important!) solution. Well-known answer is to float the guitar pickup to a balanced output, just like a microphone. An identical strategy was published this 2001 patent request such as Peavey Impulse Ii?