Digital Piano Casio Cdp 230r A guitar pickup is essentially just like a dynamic mike coil. For decades, vibrant microphones have already been sent with the voice coil attached to the primary of the microphone's transformer, and not recommended to soil (‘floating'). The microphone's situation is typically linked to the cable shield, which can be linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, vibrant microphones are very quiet products as a result of the mix of transformer isolation and balanced, floating sign lines for the duration of, in addition to protected, humbucking coils.
Therefore why not guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are merely an incomplete (though crucial!) solution. The obvious option would be to float your guitar pickup to a healthy production, being a microphone. A similar thought was printed this 2001 patent application like this Digital Piano Casio Cdp 230r?