Mackie Mr8 Mk3 A electric guitar pickup is actually much like a dynamic mike coil. For decades, powerful microphones have now been wired with the voice coil mounted on the primary of the microphone's transformer, and perhaps not referenced to soil (‘floating'). The microphone's event is usually connected to the wire guard, that will be connected to the mike amplifier's ground (see Rane's web site for more discussion).
By and large, active microphones are extremely quiet products as a result of the mixture of transformer solitude and balanced, suspended sign lines during, along with shielded, humbucking coils.
Therefore you will want to guitars? Instruments are notoriously plagued by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known answer is to move your guitar pickup to a balanced output, being a microphone. An identical idea was published this 2001 patent software such as Mackie Mr8 Mk3?