Xiaomi Deerma Handheld Wireless Vacuum Cleaner Vc20s A best guitar collection is essentially just like a powerful mike coil. For decades, energetic microphones have been sent with the voice coil attached to the principal of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's event is normally attached to the wire guard, which is connected to the mike amplifier's floor (see Rane's site for more discussion).
By and big, energetic microphones are very quiet devices consequently of the mix of transformer isolation and balanced, hanging sign lines throughout, in addition to guarded, humbucking coils.
Therefore why don't you guitars? Guitars are once overwhelmed by noise. Humbucking pickups are merely an incomplete (though crucial!) solution. The most obvious alternative would be to move your guitar collection to a healthy result, being a microphone. A similar strategy was published that 2001 patent program like this Xiaomi Deerma Handheld Wireless Vacuum Cleaner Vc20s?