Piano Digital Yamaha P115 Mercado Livre A electric guitar collection is actually similar to an energetic microphone coil. For many years, active microphones have been sent with the voice coil attached to the principal of the microphone's transformer, and perhaps not called to surface (‘floating'). The microphone's situation is usually connected to the wire guard, which will be connected to the microphone amplifier's surface (see Rane's website for more discussion).
By and large, energetic microphones are very quiet products consequently of the mix of transformer isolation and healthy, floating transmission lines for the duration of, as well as protected, humbucking coils.
Therefore why not guitars? Instruments are once affected by noise. Humbucking pickups are only an incomplete (though important!) solution. Well-known option is to move the guitar pickup to a healthy output, just like a microphone. The same thought was published this 2001 patent program such as Piano Digital Yamaha P115 Mercado Livre?