Sennheizer Hd 205 A best guitar pickup is basically similar to a dynamic microphone coil. For many years, dynamic microphones have been wired with the voice coil mounted on the principal of the microphone's transformer, and maybe not called to floor (‘floating'). The microphone's case is typically attached to the wire shield, which is connected to the microphone amplifier's ground (see Rane's internet site for more discussion).
By and big, vibrant microphones are very quiet products as a result of the mix of transformer solitude and healthy, floating indication lines during, in addition to shielded, humbucking coils.
So you will want to guitars? Instruments are once overwhelmed by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious option would be to float your guitar pickup to a balanced output, just like a microphone. A similar idea was printed that 2001 patent application such as Sennheizer Hd 205?