sam_adams
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Balanced signal sums and cancels distortions.
Let's not attribute any magical properties to balanced connections. The harmonic distortion present in the signal is part of the frequency spectrum of the devices at both the sending and receiving ends of the connections and are not removed by balanced connections. Balanced connections impart a degree of noise rejection to the cable itself.
Also, balanced connections—in and of themselves—are not completely immune to noise. Much of their benefit comes from maintaining the impedance match on both ends of the connection. The increase in SINAD comes from the inherent higher signal-to-noise level in such connections.
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