Electro Harmonix B9 Organ Machine A best guitar collection is basically just like a dynamic mike coil. For decades, active microphones have now been wired with the voice coil attached to the principal of the microphone's transformer, and not introduced to surface (‘floating'). The microphone's event is typically attached to the cable guard, that will be connected to the microphone amplifier's soil (see Rane's internet site for more discussion).
By and big, powerful microphones are very quiet products consequently of the mixture of transformer solitude and healthy, flying transmission lines all through, as well as shielded, humbucking coils.
So why not instruments? Guitars are once plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The most obvious answer is always to float the guitar collection to a healthy output, just like a microphone. The same thought was published that 2001 patent application like this Electro Harmonix B9 Organ Machine?