Van Halen News A guitar collection is actually similar to a dynamic mike coil. For decades, powerful microphones have now been sent with the voice coil attached with the principal of the microphone's transformer, and maybe not referenced to surface (‘floating'). The microphone's event is typically attached to the wire guard, which will be linked to the mike amplifier's floor (see Rane's site for more discussion).
By and large, powerful microphones are extremely calm products consequently of the mixture of transformer isolation and healthy, hanging transmission lines during, as well as protected, humbucking coils.
Therefore why not instruments? Guitars are once affected by noise. Humbucking pickups are just a partial (though essential!) solution. The most obvious solution would be to move your guitar collection to a balanced production, as being a microphone. The same thought was printed that 2001 patent application like this Van Halen News?