Bass Drum Hoop Protector A best guitar pickup is essentially much like a vibrant mike coil. For decades, energetic microphones have already been wired with the voice coil attached with the primary of the microphone's transformer, and maybe not recommended to surface (‘floating'). The microphone's situation is usually linked to the cable shield, which will be attached to the mike amplifier's soil (see Rane's site for more discussion).
By and large, dynamic microphones are extremely calm products consequently of the mixture of transformer isolation and balanced, floating sign lines for the duration of, along with guarded, humbucking coils.
So why not guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious alternative would be to float practicing the guitar pickup to a balanced output, as being a microphone. An identical idea was printed that 2001 patent software like this Bass Drum Hoop Protector?