Usb Microphone Fifine Metal Condenser A guitar pickup is essentially similar to a powerful microphone coil. For many years, powerful microphones have now been wired with the voice coil mounted on the principal of the microphone's transformer, and perhaps not referenced to ground (‘floating'). The microphone's case is typically linked to the cable guard, that will be linked to the mike amplifier's ground (see Rane's web site for more discussion).
By and big, vibrant microphones are extremely quiet devices consequently of the mixture of transformer isolation and balanced, hanging sign lines throughout, in addition to guarded, humbucking coils.
So you will want to instruments? Guitars are notoriously affected by noise. Humbucking pickups are just a partial (though essential!) solution. The obvious alternative would be to float your guitar collection to a balanced production, being a microphone. The same idea was printed this 2001 patent application such as Usb Microphone Fifine Metal Condenser?