Alien Heat Mixer A electric guitar pickup is actually just like an energetic mike coil. For many years, powerful microphones have already been wired with the style coil attached to the primary of the microphone's transformer, and perhaps not called to surface (‘floating'). The microphone's situation is normally connected to the wire shield, which can be connected to the mike amplifier's surface (see Rane's website for more discussion).
By and large, vibrant microphones are very quiet devices consequently of the combination of transformer isolation and healthy, flying indication lines through the duration of, in addition to guarded, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious alternative is to move your guitar pickup to a healthy output, as being a microphone. An identical strategy was printed this 2001 patent request such as Alien Heat Mixer?