Roland Rd 300 A electric guitar collection is essentially much like a dynamic mike coil. For decades, dynamic microphones have been sent with the style coil attached to the primary of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's situation is normally linked to the wire guard, that will be linked to the microphone amplifier's surface (see Rane's web site for more discussion).
By and big, dynamic microphones are extremely quiet products as a result of the mix of transformer solitude and balanced, floating transmission lines throughout, as well as shielded, humbucking coils.
Therefore why not guitars? Instruments are once overwhelmed by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known answer would be to move the guitar pickup to a healthy productivity, as being a microphone. An identical thought was printed that 2001 patent request such as Roland Rd 300?