Digital Mixer Interface A best guitar pickup is essentially much like an energetic microphone coil. For many years, vibrant microphones have been wired with the voice coil attached to the primary of the microphone's transformer, and not called to floor (‘floating'). The microphone's situation is usually linked to the wire shield, which is linked to the mike amplifier's soil (see Rane's website for more discussion).
By and large, powerful microphones are extremely quiet devices as a result of the mixture of transformer isolation and balanced, hanging transmission lines all through, as well as protected, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only a partial (though important!) solution. Well-known option is always to move the guitar collection to a healthy production, just like a microphone. A similar thought was published this 2001 patent request like this Digital Mixer Interface?