Line Array Speakers A electric guitar pickup is actually much like a dynamic microphone coil. For decades, energetic microphones have already been sent with the voice coil attached with the primary of the microphone's transformer, and not called to surface (‘floating'). The microphone's event is typically attached to the wire shield, which can be connected to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, dynamic microphones are extremely quiet units consequently of the combination of transformer isolation and balanced, floating transmission lines during, in addition to shielded, humbucking coils.
Therefore you will want to instruments? Instruments are notoriously plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The most obvious solution is always to move practicing the guitar collection to a balanced productivity, being a microphone. The same idea was printed this 2001 patent application such as Line Array Speakers?