Power Amplifier Kelas Td A best guitar collection is actually similar to a powerful mike coil. For decades, energetic microphones have been sent with the voice coil attached with the primary of the microphone's transformer, and perhaps not introduced to floor (‘floating'). The microphone's case is typically linked to the wire shield, that will be attached to the microphone amplifier's floor (see Rane's site for more discussion).
By and large, energetic microphones are very calm products consequently of the mixture of transformer isolation and healthy, hanging transmission lines for the duration of, along with protected, humbucking coils.
So why not guitars? Instruments are once affected by noise. Humbucking pickups are just a partial (though essential!) solution. The most obvious option would be to float the guitar collection to a balanced output, as being a microphone. An identical idea was printed that 2001 patent request like this Power Amplifier Kelas Td?