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  • #16
    Re: Duratex questions

    the cool thing about duratex is you can prep with dry wall mud.
    " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

    Quote Originally Posted by hongrn. Oct 2014
    Do you realize that being an American is like winning the biggest jackpot ever??

    http://www.midwestaudioclub.com/spot...owell-simpson/
    http://s413.photobucket.com/albums/pp216/arlis/

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    • #17
      Re: Duratex questions

      Excellent point Lowell. That is a huge plus. I hate dealing with automotive body filler. I am definitely going to try the Duratex sample I got as a door prize in Iowa on my little DS135 project.
      Craig

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      • #18
        Re: Duratex questions

        Originally posted by [email protected] View Post
        the cool thing about duratex is you can prep with dry wall mud.
        I looked at an online demo of it and noticed that. Yeah, that should be a huge time saver, compared to body filler, and cheaper too.
        Dan N.

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        • #19
          Re: Duratex questions

          Yep. Just be aware, when you sand the dry mud, if you use a ROS, you will be in a cloud of dust.
          " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

          Quote Originally Posted by hongrn. Oct 2014
          Do you realize that being an American is like winning the biggest jackpot ever??

          http://www.midwestaudioclub.com/spot...owell-simpson/
          http://s413.photobucket.com/albums/pp216/arlis/

          Comment


          • #20
            Re: Duratex questions

            Originally posted by isaeagle4031 View Post
            Dagnabit Dan!!! As if the bar wasn't high enough!!!! LOL. Waiting for your build thread on this one.
            Ha!Ha! There is actually a lot more going on than you can initially see. The rear two panels play full level. The front two panels are variably attenuated. There are two crossovers per box, one for the front two panels and one for the back two, which run in parallel with each other, with the front panels two attenuated by an 100w variable lpad on the amp side. The drivers on the front two panels are in series with each other.

            I've tested this attenuation scheme on the prototype single speaker and it works just like intended. However, then I also need to be able to further attenuate the outside front panel compared to the inside, so I'm looking a second variable lpad, only a stereo one, that can attenuate both the front outside panel woofers and tweeters. I'm having to throw most of the rules out on this one when it comes to measurements and modeling.

            This is all wrapped up in a theory the guy I'm doing these for developed called the image model theory, as well as some of what Mark Davis did in his dbx Soundfield speakers with regard to distance/intensity trading and stereo image stability.
            Dan N.

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            • #21
              Re: Duratex questions

              Originally posted by killa View Post
              For black you might also look in to chalkboard paint. I have used it and it is kind of like house paint but thicker, dries faster, and is harder. I would say it is in between semi gloss and flat and is more of a slate black. I am thinking about trying to sand some old boxes i used some on to see if I can get a gloss finish on it.
              I hadn't thought about that. Worth a look, I'd say. I may need to look into whether other paint can go over Duratex. I suppose an email to the company/supplier would be a good place to start.
              Dan N.

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              • #22
                Re: Duratex questions

                The website says that it can be painted over to decorate or 'shade' it, but isn't specific as to what kind of paint.

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                • #23
                  Re: Duratex questions

                  I asked them what to use to color their product and they promptly got back to me via email.
                  " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

                  Quote Originally Posted by hongrn. Oct 2014
                  Do you realize that being an American is like winning the biggest jackpot ever??

                  http://www.midwestaudioclub.com/spot...owell-simpson/
                  http://s413.photobucket.com/albums/pp216/arlis/

                  Comment


                  • #24
                    There is a PDF from Duratex on tinting. You can tint white Duratex for lighter colors and they sell an Ultra Deep Tint Base for darker colors. I've mixed black and white Duratex and came up with a bluish gray.

                    Ron
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                    The good thing about science is that it's true whether or not you believe in it. - Neil deGrasse Tyson
                    http://www.youtube.com/watch?v=cjuGCJJUGsg

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                    • #25
                      Man, not even a very good forum bot - Willy964 just copied the entire text from post #6 from tombond

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                      • #26
                        That's right out of the Spammers Handbook, along with resurrecting zombie threads.
                        www.billfitzmaurice.com
                        www.billfitzmaurice.info/forum

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