Buying A Guitar A electric guitar collection is essentially just like a powerful mike coil. For decades, active microphones have been sent with the style coil attached to the primary of the microphone's transformer, and perhaps not recommended to soil (‘floating'). The microphone's situation is typically attached to the wire guard, that is attached to the microphone amplifier's ground (see Rane's website for more discussion).
By and large, active microphones are very quiet products as a result of the mixture of transformer isolation and healthy, flying transmission lines through the duration of, in addition to shielded, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are just an incomplete (though crucial!) solution. Well-known alternative is always to move your guitar collection to a balanced result, as being a microphone. The same strategy was published this 2001 patent application such as Buying A Guitar?