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contra-rotating fans
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11-02-2004, 02:20 PM
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Inaba
Cooling Neophyte
Join Date: Sep 2004
Location: Kansas
Posts: 9
57db is a low estimate IMHO. I'd say it's closer to 75 - 90db, but maybe that's just the frequency they whine at that makes them seem louder.
Inaba
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