It Might Get Loud Documentary A guitar collection is essentially much like a powerful mike coil. For decades, dynamic microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and not recommended to soil (‘floating'). The microphone's situation is typically attached to the wire guard, that will be linked to the mike amplifier's ground (see Rane's site for more discussion).
By and large, energetic microphones are very quiet products consequently of the mix of transformer solitude and healthy, suspended transmission lines for the duration of, as well as shielded, humbucking coils.
Therefore you will want to guitars? Guitars are notoriously affected by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The obvious solution would be to move your guitar pickup to a balanced production, being a microphone. A similar thought was printed this 2001 patent request such as It Might Get Loud Documentary?