Fender Harvard Amp A electric guitar pickup is actually much like a vibrant mike coil. For decades, energetic microphones have now been sent with the style coil attached to the primary of the microphone's transformer, and not called to soil (‘floating'). The microphone's event is typically connected to the cable guard, that will be linked to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and big, vibrant microphones are extremely calm devices as a result of the mixture of transformer isolation and healthy, floating indication lines for the duration of, along with shielded, humbucking coils.
So why not guitars? Instruments are once affected by noise. Humbucking pickups are merely a partial (though important!) solution. Well-known solution would be to float your guitar pickup to a healthy output, being a microphone. An identical idea was published that 2001 patent application such as Fender Harvard Amp?