Peavey Ipr2 5000 A electric guitar pickup is actually similar to a vibrant mike coil. For many years, active microphones have already been wired with the style coil attached with the primary of the microphone's transformer, and not recommended to floor (‘floating'). The microphone's case is normally connected to the wire shield, which will be linked to the mike amplifier's ground (see Rane's site for more discussion).
By and big, dynamic microphones are very quiet devices consequently of the mixture of transformer isolation and healthy, floating transmission lines for the duration of, along with shielded, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously overwhelmed by noise. Humbucking pickups are just an incomplete (though essential!) solution. Well-known alternative is always to move the guitar collection to a healthy output, being a microphone. A similar thought was published that 2001 patent request like this Peavey Ipr2 5000?