Jiffy Lube The Woodlands A guitar collection is actually much like a dynamic mike coil. For decades, energetic microphones have already been wired with the style coil attached with the principal of the microphone's transformer, and perhaps not recommended to surface (‘floating'). The microphone's situation is normally attached to the cable shield, that is linked to the mike amplifier's ground (see Rane's site for more discussion).
By and big, energetic microphones are very quiet devices consequently of the mix of transformer isolation and balanced, hanging sign lines throughout, as well as shielded, humbucking coils.
Therefore why don't you instruments? Instruments are once plagued by noise. Humbucking pickups are only an incomplete (though important!) solution. The obvious option is always to move the guitar collection to a balanced output, as being a microphone. A similar strategy was printed that 2001 patent program like this Jiffy Lube The Woodlands?