Arenít switching power supplies inherently noisy?
Like all other technologies, not all switch mode power supplies are born alike. All highly regulated and very high speed switch mode power supplies used by Jeff Rowland in his amplifiers and preamplifiers are extremely quiet. Very high switching frequency of up to 1Mhz, multiple regulation technologies, as well as active or passive Power Factor Correction (PFC) based power rectification and conditioning, ensure that the advanced and compact switch mode power supplies inside JRDG products are so fast, and so absolutely quiet, that they let only pure music reach the listener.
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24th of October, 2010