Why JRDG highly regulated switching power supplies are extremely quiet?

Jeff Rowland believes that absolutely quiet power supplies are crucial to refined music reproduction. More than ever, this is true of the switch mode power supplies that Rowland employs in his award winning products. This is why switch mode power supplies in JRDG products operate at extremely high switching frequency of up to 1 MHz, and are supported externally even further by other power regulation technologies, such as active (for amplifiers) or passive (for preamplifiers) Power Factor Correction (PFC) rectification.

These ancillary technologies all work in synergy with advanced high-speed switch mode power supplies to make JRDG products so fast, so responsive, and most of all so absolutely quiet, that only pure music ever reaches the listener's ears.


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Last Updated
24th of October, 2010

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