Guitar Effects Demo A electric guitar pickup is basically just like a powerful mike coil. For many years, active microphones have now been sent with the voice coil mounted on the primary of the microphone's transformer, and not introduced to floor (‘floating'). The microphone's case is typically connected to the cable guard, that is attached to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and large, active microphones are very quiet units as a result of the mixture of transformer isolation and balanced, flying sign lines during, along with shielded, humbucking coils.
So why don't you instruments? Guitars are once overwhelmed by noise. Humbucking pickups are merely a partial (though important!) solution. The most obvious solution would be to float practicing the guitar pickup to a healthy production, being a microphone. An identical thought was printed this 2001 patent application such as Guitar Effects Demo?