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  1. System Setup and Connection
    Ok guys, when I wired my room, I had access to 16/4 speaker wire for $0.10/foot so I jumped on it. Wired my room for 7 channels (fixin to pull wire for the 4 atmos channels). I always planned to twist 2 of the wires together and attach banana plugs. Does anyone know what gauge this will...
  2. Home Theater Projectors
    Folks... The Epson projector calculator tells me my Epson 5030UB projecting to a 120" screen needs to basically be in the center of the screen. This is a 4' drop for the most part... IS THIS RIGHT? All other projectors I have used I was able to mount the projector near the height of the top of...
  3. DIY Subwoofers - General Discussion
    Something obvious to everyone I'm sure. How do you know what to put in the enclosure calculator on HT? How do I know the values in teh first place, or better yet, what value goes where for the LxWxD? Do I just know I need, for example, 6ft^3 and then play around with the numbers until I end...
  4. DIY Screens
    DIY Screen will be 2.39:1 and I will be sitting at 13' . I have looked at some calculators ,but they seem to be all over the place ? Is there 1 that is more reputable than the others ?? thanks !
  5. DIY Screens
    Hey, guys. I put together an excel spreadsheet for myself to determine frame and materials dimensions needed for a very simple DIY screen. It does the math for me, so when I'm going back and forth between screen sizes, I can keep up with how large the frame is going to need to be. I built the...
  6. System Setup and Connection
    It would seem to me with the advances in technology that it would be relatively easy to design a virtual calculator to determine the best placement for a sub. We would put in our room measurements, then the automated/vitual room (with a sub in the diagram) would appear & as we drag the sub...
  7. Home Theater Projectors
    When using a Screen Material Calculator on a screen manufacturer's website, you're asked to plug in the Ratio (in my case 16:9), the Screen Size, Light Level in the room and the PJ's Lumens to help determine what material and gain should be used in that room. Now my question: When inputting...
  8. REW Forum
    I made 2 measurement of my speaker, free air and with weight. I open the theile small calculator and fill in all the required information hit calculate and the window flashes and then nothing. Anyone have anything i might try or what i might be doing incorrectly.
  9. DIY Subwoofers - General Discussion
    I had been looking into these things for years but I never got very far until recently, when I stumbled accross a design for a power port that was designed to tune a 300L+ enclosure to 10Hz. Very soon after I found the calculator on another forum. The idea behind these things is fairly...
  10. DIY Subwoofers - General Discussion
    I created this sheet to calculate working box volume, panel cut dimensions and other odds and ends. You may find it useful if you want to build a: Ported design Top or bottom firing port (usually mandated by LLT principles and small box footprint) Simple rectangular box Single forward firing...
  11. Home Audio Acoustics
    I recently read a part of an acoustics book which I found especially interesting. I'm afraid I don't recall the title of atm. In this book the author is talking about/showing example of a program where you can input your room dimensions (maybe other stuff too..) and then the program will tell...
  12. Home Audio Acoustics
    Hi, has anyone used the room response calculator room060d.exe to examine their rooms response? thanks Murray
  13. Pro Audio
    QRDude is a calculator for designing QRD diffusers. In standard mode, it provides similar functionality to existing calculators, although it adds a few features, such as support for inverse panels. In advanced mode, it supports the design of panels that have had their wells shifted downwards...
  14. DIY Subwoofers - General Discussion
    I happened upon this nice LT calc and thought I would post it here.No spreadsheet needed. http://www.mhsoft.nl/Linkwitz/Transformation.asp
  15. General Screen Discussion
    There have been a few questions about the screen calculator on Projector Central, so rather than guess or assume anything I just asked them about it. Their answer makes perfect sense and hopefully addresses any questions or concerns about the fL numbers shown. So if you want to know what your...
  16. Home Theater Projectors
    I understand the throw calculator. But how far down from the ceiling does a PJ need to hang. Looking at the Mits HC3000? I have checked their website but no info. Does the distance from the top of the screen to the ceiling vary it. I have heard the Mits needs to hang very low. Is there a...
  17. REW Forum
    I have tried to use the Room Mode Calculator on the above tread, but no matter what figures are put in the room size, even leaving those in that are in the file, caused an error... Run-time error '1004': Application-defined or object-defined error I presume the room sizes are in feet? Mike
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