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Thread: Rough 120mm CFM & DB Calculation?

  1. 12-08-2004, 08:43 AM #1
    Leanin
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    Rough 120mm CFM & DB Calculation?

    Can someone give me a better "estimated" calculation of what the CFM and DB numbers might be as they would apply to running a Panaflo 120mm at about 9 volts? I'm preparing to replace an 80mm blowhole (case top, centered) stock fan with the following specs:

    Panaflo Fan Model: FBA12G12L
    Nominal Speed: 1700 rpm
    CFM: 68.9
    Noise: 30 DB
    Rated input: 2.16
    Operating Voltage: 7-13.8

    Reason for 9 voltage selection is that according to some web searches, this appears to be a stable but quiet run setting. Fan voltage controller gives option to crank up as needed.
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  2. 12-10-2004, 03:48 AM #2
    Leanin
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    Looks like it would be in the 22DB range moving about 50 CFM extrapolating from below site and its excel data base:

    http://www.silentpcreview.com/files/...s/fanspecs.xls

    www.silentpcreview.com/article25-page1.html
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