Fender Bassman 25 A electric guitar pickup is basically much like a dynamic mike coil. For decades, dynamic microphones have now been wired with the voice coil attached with the principal of the microphone's transformer, and maybe not recommended to surface (‘floating'). The microphone's situation is normally attached to the wire guard, that is linked to the mike amplifier's floor (see Rane's internet site for more discussion).
By and large, vibrant microphones are extremely calm products consequently of the combination of transformer solitude and balanced, floating transmission lines throughout, in addition to guarded, humbucking coils.
Therefore why not guitars? Guitars are notoriously plagued by noise. Humbucking pickups are only a partial (though important!) solution. Well-known solution is always to move your guitar collection to a balanced output, as being a microphone. The same thought was printed that 2001 patent program such as Fender Bassman 25?