Shure Blx2 Sm58 K3e Wireless Handheld Microphone Transmitter A guitar pickup is basically just like a vibrant mike coil. For decades, dynamic microphones have now been sent with the style coil mounted on the principal of the microphone's transformer, and not called to soil (‘floating'). The microphone's situation is normally attached to the cable guard, which can be connected to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and big, dynamic microphones are very calm products as a result of the mixture of transformer isolation and healthy, suspended transmission lines during, in addition to shielded, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only an incomplete (though essential!) solution. The obvious solution is always to float your guitar collection to a balanced production, as being a microphone. A similar strategy was printed this 2001 patent program like this Shure Blx2 Sm58 K3e Wireless Handheld Microphone Transmitter?