Making A Uke A best guitar collection is essentially much like a powerful microphone coil. For many years, powerful microphones have now been wired with the style coil mounted on the primary of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's event is typically linked to the wire shield, which can be linked to the mike amplifier's floor (see Rane's internet site for more discussion).
By and big, dynamic microphones are extremely calm products consequently of the combination of transformer isolation and balanced, flying sign lines throughout, along with shielded, humbucking coils.
Therefore why not instruments? Guitars are once plagued by noise. Humbucking pickups are merely an incomplete (though crucial!) solution. The most obvious solution would be to float your guitar collection to a healthy production, being a microphone. A similar idea was published this 2001 patent request such as Making A Uke?