Acoustic Cigar Box Guitar A electric guitar collection is essentially just like a vibrant microphone coil. For many years, vibrant microphones have already been sent with the style coil attached to the principal of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's case is typically connected to the wire shield, which is connected to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, active microphones are very quiet devices as a result of the combination of transformer solitude and balanced, floating sign lines for the duration of, along with protected, humbucking coils.
So why not instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious answer is always to float the guitar collection to a balanced production, being a microphone. The same strategy was published that 2001 patent application such as Acoustic Cigar Box Guitar?