Guitar Pedals In The Effects Loop A guitar pickup is actually just like a powerful microphone coil. For decades, powerful microphones have already been wired with the voice coil mounted on the principal of the microphone's transformer, and perhaps not referenced to ground (‘floating'). The microphone's event is normally linked to the wire shield, which can be connected to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, powerful microphones are very calm devices as a result of the mixture of transformer isolation and balanced, suspended indication lines throughout, in addition to guarded, humbucking coils.
Therefore why don't you instruments? Instruments are once plagued by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious alternative is always to float practicing the guitar pickup to a balanced productivity, just like a microphone. The same strategy was printed this 2001 patent software like this Guitar Pedals In The Effects Loop?