Line 6 Bogner A best guitar collection is essentially similar to a dynamic mike coil. For many years, active microphones have now been wired with the voice coil attached to the principal of the microphone's transformer, and not recommended to surface (‘floating'). The microphone's case is typically linked to the wire guard, which will be connected to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and big, vibrant microphones are extremely calm devices consequently of the mix of transformer isolation and healthy, floating transmission lines for the duration of, in addition to shielded, humbucking coils.
So you will want to instruments? Instruments are once plagued by noise. Humbucking pickups are only a partial (though important!) solution. Well-known option is to float the guitar pickup to a healthy productivity, just like a microphone. A similar strategy was printed this 2001 patent program like this Line 6 Bogner?