Guitar Center Bass Amp A best guitar pickup is essentially just like a dynamic mike coil. For decades, active microphones have now been sent with the voice coil mounted on the principal of the microphone's transformer, and maybe not referenced to floor (‘floating'). The microphone's situation is normally connected to the cable guard, that will be connected to the mike amplifier's soil (see Rane's website for more discussion).
By and big, powerful microphones are very calm devices as a result of the mix of transformer isolation and healthy, hanging sign lines through the duration of, along with guarded, humbucking coils.
So why don't you guitars? Instruments are notoriously affected by noise. Humbucking pickups are only a partial (though crucial!) solution. Well-known option would be to float your guitar pickup to a balanced productivity, just like a microphone. A similar idea was published this 2001 patent software such as Guitar Center Bass Amp?