Casio Weighted Keyboards A guitar collection is essentially just like an energetic mike coil. For decades, energetic microphones have been sent with the style coil attached with the primary of the microphone's transformer, and perhaps not introduced to soil (‘floating'). The microphone's event is usually attached to the wire shield, which is connected to the mike amplifier's surface (see Rane's website for more discussion).
By and large, vibrant microphones are very quiet products consequently of the mix of transformer isolation and balanced, suspended transmission lines throughout, in addition to protected, humbucking coils.
So you will want to guitars? Guitars are notoriously plagued by noise. Humbucking pickups are just a partial (though important!) solution. The obvious solution is always to float your guitar collection to a balanced output, being a microphone. A similar strategy was printed that 2001 patent application like this Casio Weighted Keyboards?