Digital Piano Triple Pedal A best guitar pickup is essentially similar to a vibrant microphone coil. For many years, vibrant microphones have already been sent with the style coil mounted on the principal of the microphone's transformer, and not called to ground (‘floating'). The microphone's event is typically connected to the wire guard, which is attached to the microphone amplifier's soil (see Rane's site for more discussion).
By and big, active microphones are very calm devices consequently of the mix of transformer isolation and healthy, hanging sign lines all through, in addition to guarded, humbucking coils.
So why not guitars? Instruments are once overwhelmed by noise. Humbucking pickups are just an incomplete (though important!) solution. The most obvious option is to float your guitar pickup to a healthy production, just like a microphone. An identical idea was published this 2001 patent request such as Digital Piano Triple Pedal?