Akai Professional Mpx16 A guitar pickup is basically just like a powerful mike coil. For decades, vibrant microphones have now been wired with the voice coil attached to the principal of the microphone's transformer, and not recommended to floor (‘floating'). The microphone's case is usually attached to the wire shield, which can be attached to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, vibrant microphones are very calm units consequently of the mix of transformer isolation and balanced, suspended sign lines throughout, in addition to guarded, humbucking coils.
So why don't you instruments? Instruments are once overwhelmed by noise. Humbucking pickups are just an incomplete (though important!) solution. The most obvious alternative is always to float your guitar pickup to a balanced result, as being a microphone. The same strategy was published that 2001 patent application such as Akai Professional Mpx16?