Electro Harmonix Switchblade A guitar pickup is basically similar to a dynamic mike coil. For decades, dynamic microphones have now been sent with the voice coil attached with the primary of the microphone's transformer, and perhaps not called to ground (‘floating'). The microphone's event is usually linked to the wire guard, that is connected to the mike amplifier's floor (see Rane's web site for more discussion).
By and large, vibrant microphones are very quiet devices consequently of the mix of transformer solitude and healthy, hanging indication lines all through, in addition to guarded, humbucking coils.
So why not guitars? Instruments are once plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. Well-known alternative is to move practicing the guitar pickup to a healthy result, just like a microphone. A similar strategy was published this 2001 patent program like this Electro Harmonix Switchblade?