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What's an order of magnitude among friends?What's an order of magnitude among friends?Posted Feb 2, 2013 18:25 UTC (Sat) by nix (subscriber, #2304)In reply to: What's an order of magnitude among friends? by rgmoore Parent article: Quotes of the week
The motors would tend to give off a ~1200 Hz (e.g. 72K cycle per minute) whine.Right around the human hearing frequency optimum, and right in the range critical for comprehension of human speech.
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