Sennheiser Pmx 100 Ii A electric guitar pickup is basically much like an energetic mike coil. For many years, dynamic microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's case is typically attached to the cable shield, that is connected to the microphone amplifier's ground (see Rane's web site for more discussion).
By and big, active microphones are extremely calm products as a result of the combination of transformer isolation and healthy, hanging indication lines through the duration of, in addition to guarded, humbucking coils.
Therefore you will want to guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely an incomplete (though important!) solution. The obvious answer would be to float your guitar collection to a balanced output, just like a microphone. A similar strategy was printed this 2001 patent program like this Sennheiser Pmx 100 Ii?