Speaker Cable Extension Connectors A best guitar pickup is essentially just like an energetic microphone coil. For many years, powerful microphones have been wired with the voice coil attached to the principal of the microphone's transformer, and not recommended to floor (‘floating'). The microphone's situation is normally attached to the wire shield, which will be connected to the mike amplifier's soil (see Rane's site for more discussion).
By and large, vibrant microphones are very quiet products consequently of the combination of transformer solitude and balanced, floating sign lines all through, as well as protected, humbucking coils.
Therefore why don't you instruments? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious alternative would be to move your guitar pickup to a healthy result, being a microphone. A similar idea was printed this 2001 patent software such as Speaker Cable Extension Connectors?