Electric Bass Guitar Nashville Tn A guitar pickup is actually much like a powerful microphone coil. For decades, dynamic microphones have been wired with the style coil attached to the principal of the microphone's transformer, and maybe not referenced to ground (‘floating'). The microphone's case is usually connected to the wire guard, that is attached to the mike amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are very calm devices consequently of the mixture of transformer isolation and balanced, hanging sign lines during, as well as shielded, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though important!) solution. The obvious solution is always to move the guitar pickup to a healthy output, being a microphone. The same idea was published that 2001 patent request like this Electric Bass Guitar Nashville Tn?