FlyerTalk Forums - View Single Post - Sound proofing a data center - what audio frequencies to target?
Old Oct 10, 2007 | 1:35 pm
  #11  
UAVirgin
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Join Date: Dec 2001
Location: DSM
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Freq's

Using my PAA3 set as SPL (sound pressure level) weight C shows that most system noise on my servers is in the 20 to 80hz range. There was an occasional spike in 250hz and 800hz but almost all activity was below 100hz.
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