Cigar Box Guitar Store A best guitar pickup is actually just like a powerful mike coil. For decades, active microphones have already been sent with the voice coil attached with the principal of the microphone's transformer, and not called to ground (‘floating'). The microphone's situation is typically attached to the wire guard, that will be linked to the microphone amplifier's floor (see Rane's site for more discussion).
By and large, vibrant microphones are very quiet devices as a result of the combination of transformer isolation and healthy, floating sign lines during, along with shielded, humbucking coils.
Therefore you will want to guitars? Instruments are once plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. The most obvious solution would be to move your guitar collection to a healthy output, being a microphone. A similar thought was printed this 2001 patent application such as Cigar Box Guitar Store?