Battery Pa System A guitar collection is basically just like a vibrant mike coil. For decades, dynamic microphones have already been sent with the style coil attached with the primary of the microphone's transformer, and maybe not introduced to soil (‘floating'). The microphone's situation is normally connected to the cable shield, which can be linked to the mike amplifier's ground (see Rane's web site for more discussion).
By and big, dynamic microphones are very quiet devices as a result of the combination of transformer solitude and balanced, floating transmission lines all through, in addition to protected, humbucking coils.
So why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only an incomplete (though essential!) solution. The obvious alternative is to move your guitar collection to a balanced production, just like a microphone. A similar idea was published this 2001 patent program such as Battery Pa System?