Rock Star Gallery A best guitar collection is basically much like a dynamic microphone coil. For decades, energetic microphones have already been sent with the voice coil attached to the principal of the microphone's transformer, and maybe not referenced to floor (‘floating'). The microphone's situation is typically linked to the wire guard, that will be connected to the mike amplifier's soil (see Rane's site for more discussion).
By and big, energetic microphones are very quiet devices consequently of the mix of transformer solitude and balanced, suspended transmission lines all through, along with shielded, humbucking coils.
Therefore why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though important!) solution. Well-known solution is to float practicing the guitar pickup to a balanced production, as being a microphone. A similar strategy was published that 2001 patent application like this Rock Star Gallery?