Bob Seger Albums A guitar pickup is essentially just like a dynamic microphone coil. For decades, energetic microphones have now been sent with the voice coil attached with the primary of the microphone's transformer, and perhaps not recommended to soil (‘floating'). The microphone's situation is typically linked to the cable shield, that is attached to the microphone amplifier's ground (see Rane's web site for more discussion).
By and big, vibrant microphones are extremely quiet units as a result of the mixture of transformer isolation and healthy, floating indication lines during, along with protected, humbucking coils.
Therefore why not instruments? Instruments are notoriously affected by noise. Humbucking pickups are just a partial (though important!) solution. The most obvious answer is always to float your guitar collection to a healthy production, as being a microphone. An identical idea was published that 2001 patent application like this Bob Seger Albums?