Guitar Gig Cases A electric guitar pickup is basically just like a powerful mike coil. For many years, vibrant microphones have been sent with the voice coil mounted on the primary of the microphone's transformer, and maybe not called to ground (‘floating'). The microphone's event is usually attached to the wire guard, which is linked to the mike amplifier's floor (see Rane's website for more discussion).
By and large, energetic microphones are extremely calm devices consequently of the combination of transformer isolation and healthy, flying transmission lines all through, as well as shielded, humbucking coils.
So why not instruments? Guitars are once overwhelmed by noise. Humbucking pickups are just a partial (though essential!) solution. Well-known alternative is always to float your guitar pickup to a healthy production, just like a microphone. The same strategy was printed this 2001 patent application like this Guitar Gig Cases?