What program to graph/plot a subs freq response?

Discussion in 'Speakers' started by Matt_Smi, Feb 27, 2005.

  1. Matt_Smi

    Matt_Smi Second Unit

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  2. Jason Dalton

    Jason Dalton Stunt Coordinator

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  3. Jason Fulton

    Jason Fulton Agent

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    WinISD Pro, its free, search on google.
     
  4. KenWA

    KenWA Agent

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    Matt,

    Try ETF (you can Google it -- I can't post URLs yet). The free demo can do a pretty good job of graphing low frequency response, using a 5 second noise burst or frequency sweep. Saves a lot of time vs. playing individual tones and marking down SPL meter measurements.

    Check it out!
     
  5. PatrickS

    PatrickS Stunt Coordinator

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    Matt,

    As Jason Dalton posted, http://pwp.t-3.cc/ttriff/subtestmodel.xls is the best and easiest solution if you have Excel. When you enter your SPL readings for the RS meter in the "RAW SPL" field, the other field "SPL (comp)" and the graph showing the FR curve automatically update with the RS correction values! It even adds a second set of fields to enter data if you are using a PEQ , as well as giving you another line on the graph to represent the FR when using the PEQ. Allowing you to compare your FR before PEQ correction and after! [​IMG] [​IMG]

    [​IMG]

    Best Regards,
    Patrick
     
  6. Matt_Smi

    Matt_Smi Second Unit

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    Cool, I have Excel so I will give that a try, only problem is I already corrected all my values so I will just need to revert them back to the “raw” reading. Thanks.
     

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