Exotic Wood Acoustic Guitars A guitar collection is basically similar to a powerful microphone coil. For many years, dynamic microphones have already been wired with the voice coil attached to the principal of the microphone's transformer, and not recommended to floor (‘floating'). The microphone's event is typically connected to the cable shield, which is linked to the mike amplifier's soil (see Rane's site for more discussion).
By and big, active microphones are extremely calm devices as a result of the combination of transformer solitude and healthy, suspended sign lines throughout, along with guarded, humbucking coils.
So why not guitars? Instruments are once plagued by noise. Humbucking pickups are only an incomplete (though important!) solution. Well-known answer is always to float practicing the guitar pickup to a healthy production, being a microphone. An identical strategy was printed this 2001 patent application like this Exotic Wood Acoustic Guitars?