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  1. Calculating Thiele-Small parameters?

    REW Forum
    Are there any tutorials available for using the Thiele-Small parameter calculator? A search of this thread for Thiele-Small' and 'Thiele' brings no results for instruction, just issues with the calculator. Lots of between the lines questions to be answered. Example: I see the diagram in the...
  2. Calculating an enclosure with PRs

    DIY Subwoofers - General Discussion
    I am trying to calculate an enclosure using one or two PRs. I am using WinISD but it gives me an error and tells me it can not calculate this box. Does anyone have any pointers on this? I am using the following: Eclipse SW9122 Re = 6.2342 ohms Fs = 38.5112 Hz Zmax = 98.0958 ohms Qes = 0.6023...
  3. Calculating hard drive size for AV server

    Computers | HTPC | Media Servers
    Approximately how many DVD and BlueRay movies can you fit on a 1TB drive? Thanks
  4. Calculating distortion from a CEA-2010 burst

    REW Forum
    Given an RTA view of a CEA-2010 burst like this when calculating distortion, do we measure the distance from peak to peak or from the peak of the 2nd harmonic to the flat line for the CEA-2010 overlay? the former is ~30dB (~68 to ~98dB) = ~3.2% the latter is ~27dB (~68 to 95dB) = ~4.5% Is...
  5. calculating Reverberation Time, REW

    REW Forum
    Hi, I'm new to REW and I would like to calculate some reverberation times. I recorded three impulse responses in different rooms and hoped, by using REW that I could calculate the reverberation times. Has anyone any idea, how to do so? Thank you very much!
  6. Calculating TS-Parameters with REW - what is wrong?

    REW Forum
    Hello Guys, after playing around whith the REW programm for some time and doing some private research (i work as a professional acoustics engenieer in germany, but not in the Audio buiseness) while making all kinds of usefull and unuseful measurements i came to a problem really perplexes me...
  7. calculating absorption coefficients

    Home Audio Acoustics
    I have purchased three different materials: a high density rock wool, owens-corning 703 and 705. I have also acquired a measurement mic and downloaded room EQ wizard. I am planning to put together these materials in different combinations of 4" panels and compare measurements (for example, 4"...
  8. Need help calculating passive radiator tuning

    DIY Subwoofers - General Discussion
    Let me start by saying that I've read countless threads and tried my hand at winisd, but I'm not having much luck so I'm asking for assistance. My project consists of 1 15" TC Sounds TC-3000 DVC driver, 2 15" vmp passives and 1 18" passive. I know it sounds a bit off that I'm not using the...
  9. Calculating Room Modes - Odd Shaped Room

    Home Theater Design and Construction
    Thank you gentlemen for the calculators. After an exhaustive search, I've not been able to determine modes for a NONrectangular room. Specifically an "L" shaped room. More specifically, "L" shaped rooms that terminate in open hallways (no doors). Realising of course, the calculations would have...
  10. Calculating Freq Response, never ending?

    REW Forum
    Looks like I spoke too soon last night on my mac post. Now I am having issues... After running the speaker calibration, the app starts "calculating frequency response". Figured all was well, and I went to bed. This morning it was STILL running. So I try it in parallels, wow no go there...