Guitar Playing Stand A best guitar pickup is basically just like an energetic mike coil. For many years, dynamic microphones have been wired with the voice coil attached to the principal of the microphone's transformer, and perhaps not recommended to floor (‘floating'). The microphone's event is usually linked to the wire shield, that will be connected to the microphone amplifier's ground (see Rane's web site for more discussion).
By and large, vibrant microphones are very quiet devices consequently of the mix of transformer isolation and balanced, flying sign lines throughout, along with guarded, humbucking coils.
So why don't you instruments? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious option is always to float your guitar pickup to a healthy production, just like a microphone. A similar thought was printed that 2001 patent application such as Guitar Playing Stand?