Best Electric Guitar Amp Under 300 A electric guitar pickup is essentially much like a dynamic mike coil. For many years, active microphones have now been sent with the voice coil attached with the principal of the microphone's transformer, and maybe not recommended to soil (‘floating'). The microphone's situation is typically linked to the cable guard, which will be linked to the mike amplifier's floor (see Rane's site for more discussion).
By and large, active microphones are very calm products consequently of the mix of transformer isolation and balanced, flying transmission lines during, in addition to protected, humbucking coils.
Therefore why not guitars? Guitars are once affected by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious answer would be to float the guitar collection to a balanced result, just like a microphone. The same idea was printed that 2001 patent program like this Best Electric Guitar Amp Under 300?