Sansamp Gt 2 A best guitar collection is essentially much like a dynamic mike coil. For decades, powerful microphones have already been wired with the voice coil mounted on the primary of the microphone's transformer, and not introduced to soil (‘floating'). The microphone's situation is typically connected to the cable shield, which is connected to the mike amplifier's floor (see Rane's web site for more discussion).
By and big, dynamic microphones are extremely quiet devices as a result of the mixture of transformer isolation and balanced, floating transmission lines during, in addition to protected, humbucking coils.
So why don't you instruments? Guitars are once plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious option would be to move the guitar collection to a balanced result, being a microphone. The same strategy was printed that 2001 patent request like this Sansamp Gt 2?