M 100 Headphone A guitar collection is essentially much like an energetic microphone coil. For many years, dynamic microphones have been sent with the voice coil attached with the primary of the microphone's transformer, and perhaps not introduced to soil (‘floating'). The microphone's event is typically linked to the cable guard, that will be linked to the microphone amplifier's soil (see Rane's web site for more discussion).
By and large, active microphones are very calm devices consequently of the mixture of transformer isolation and balanced, suspended transmission lines through the duration of, along with protected, humbucking coils.
Therefore why not instruments? Instruments are once plagued by noise. Humbucking pickups are just a partial (though crucial!) solution. The most obvious solution is to float the guitar collection to a balanced result, being a microphone. An identical thought was printed that 2001 patent application like this M 100 Headphone?