Bass String Five A electric guitar pickup is actually similar to a powerful microphone coil. For many years, active microphones have already been wired with the style coil attached with the primary of the microphone's transformer, and perhaps not introduced to ground (‘floating'). The microphone's situation is usually connected to the wire guard, that is attached to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are very quiet units as a result of the combination of transformer isolation and balanced, suspended sign lines all through, as well as shielded, humbucking coils.
So you will want to guitars? Instruments are notoriously plagued by noise. Humbucking pickups are just a partial (though important!) solution. Well-known answer is to float the guitar collection to a balanced productivity, just like a microphone. A similar thought was printed that 2001 patent request like this Bass String Five?