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Crest Audio 8002 AmplifierThe Pro II Series heralds a major advance in amplifier design from Crest Audio. Extreme reliability and hallmark sonic accuracy of the legendary Professional Series is maintained in the same rugged package—but at only half the weight. Such dramatic weight savings are made possible by PowerLok, a radical new power-supply technology that provides significant performance and flexibility advances over conventional designs.
PowerLok is Crest Audio’s unique implementation of Power Factor Correction, which allows current to be drawn throughout the entire cycle of the AC line-frequency, providing maximum output power, while drawing significantly smaller peak currents from the AC line.
Compared with an amplifier using a conventional power-supply, PowerLok requires less peak power to produce identical output power results—and because PowerLok’s current peaks are smaller, a Pro II amplifier can be serviced by a lower-rated breaker than a conventional amplifier of similar wattage.