M Audio Firewire 410 A electric guitar collection is basically just like an energetic mike coil. For many years, active microphones have been sent with the voice coil mounted on the primary of the microphone's transformer, and not recommended to surface (‘floating'). The microphone's event is typically linked to the cable guard, which will be attached to the microphone amplifier's ground (see Rane's website for more discussion).
By and big, powerful microphones are very calm products consequently of the mix of transformer isolation and healthy, flying transmission lines throughout, along with shielded, humbucking coils.
Therefore you will want to instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The most obvious solution would be to float the guitar collection to a healthy result, as being a microphone. A similar strategy was published that 2001 patent program such as M Audio Firewire 410?