Wood Guitar Stand Multiple Guitars A best guitar pickup is basically just like a vibrant microphone coil. For decades, vibrant microphones have already been wired with the voice coil attached with the principal of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is typically connected to the cable guard, which is attached to the mike amplifier's floor (see Rane's web site for more discussion).
By and big, dynamic microphones are extremely calm devices consequently of the combination of transformer isolation and healthy, suspended transmission lines throughout, in addition to protected, humbucking coils.
Therefore why not instruments? Instruments are notoriously affected by noise. Humbucking pickups are just an incomplete (though important!) solution. Well-known solution would be to move practicing the guitar pickup to a healthy production, just like a microphone. The same thought was printed this 2001 patent application like this Wood Guitar Stand Multiple Guitars?