Guitar Pedal Keyboard Sound A best guitar pickup is basically just like a vibrant mike coil. For many years, powerful microphones have now been wired with the style coil attached to the primary of the microphone's transformer, and perhaps not referenced to floor (‘floating'). The microphone's situation is usually connected to the cable shield, which can be attached to the microphone amplifier's soil (see Rane's site for more discussion).
By and big, vibrant microphones are very calm units as a result of the mix of transformer isolation and healthy, suspended transmission lines through the duration of, along with shielded, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously affected by noise. Humbucking pickups are just a partial (though crucial!) solution. Well-known alternative would be to move your guitar pickup to a healthy production, as being a microphone. The same strategy was printed this 2001 patent request such as Guitar Pedal Keyboard Sound?