Phase shifts are not new, and are actually quite evident in nature (Water to Steam, Iron to Magnet).

FORBES: The Great Disruption Or The Big Shift?

Electronic Crossovers - Possible phase shifts from a passive crossover are eliminated by using DSP electronic crossovers within Spinnaker's amplifiers.

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Phase Shifts regardless of physical makeup follow some patterns, and are basically a change from one level of order to another.

FORBES: The Great Disruption Or The Big Shift?