Mono Betty Strap A best guitar collection is actually just like an energetic microphone coil. For many years, powerful microphones have already been sent with the style coil attached to the principal of the microphone's transformer, and not recommended to ground (‘floating'). The microphone's case is usually connected to the wire guard, which is attached to the mike amplifier's soil (see Rane's site for more discussion).
By and big, vibrant microphones are very calm products consequently of the combination of transformer isolation and balanced, hanging sign lines throughout, in addition to protected, humbucking coils.
So why not instruments? Instruments are notoriously plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The obvious option would be to move practicing the guitar collection to a healthy output, being a microphone. A similar thought was printed that 2001 patent software such as Mono Betty Strap?