Quick sub "box"

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  • Inu_Yasha
    Senior Member
    • May 2006
    • 256

    Quick sub "box"

    I am going to be moving back to my apt in Tuscaloosa very soon, but I will not have my truck to move my sub up there with me if I build the table sub that I wanted to build. My question is, is it possible (or plauseable) to build a baffle like those used in the open baffle projects like the phoenix to support a RL-p15. Also, would this give enough bass output for a small room? I just want to create a small, cheap enclosure to use for the moment.

    Also, would one channel of the ep2500 be enough to power a RL-p15 2ohm wired in parallel? TIA
  • dyazdani
    Moderator Emeritus
    • Oct 2005
    • 7032

    #2
    Originally posted by Inu_Yasha
    Also, would one channel of the ep2500 be enough to power a RL-p15 2ohm wired in parallel? TIA
    Yes, but I would wire the D2 in series so as to get a 4 ohm load. This is exactly how I have mine set up.
    Danish

    Comment

    • Inu_Yasha
      Senior Member
      • May 2006
      • 256

      #3
      My idea for the box would be two (or three) layers of mdf glued together for the front face, and two diagonal braces between the bottom and the side. Would that be enough to support the sub?

      Also, dyazdani, is 750W enough power to drive the sub? I'm planning on using one channel for my sub and the other for a buttkicker. How do you have yours wired?

      Comment

      • ThomasW
        Moderator Emeritus
        • Aug 2000
        • 10933

        #4
        The Linkwitz design creates a woofer not a subwoofer. He uses a sealed box for his sub.

        Yours won't be a sub either. Open baffle output drops like a stone after 40Hz unless the baffle is huge. And even then it takes a bunch of EQ.

        IB subwoofer FAQ page


        "Complicated equipment and light reflectors and various other items of hardware are enough, to my mind, to prevent the birdie from coming out." ...... Henri Cartier-Bresson

        Comment

        • Jack Gilvey
          Senior Member
          • Aug 2001
          • 510

          #5
          Originally posted by Inu_Yasha
          My idea for the box would be two (or three) layers of mdf glued together for the front face, and two diagonal braces between the bottom and the side. Would that be enough to support the sub?
          You'd have a dipole sub, with very little output below 40hz.

          Comment

          • dyazdani
            Moderator Emeritus
            • Oct 2005
            • 7032

            #6
            Originally posted by Inu_Yasha
            Also, dyazdani, is 750W enough power to drive the sub? I'm planning on using one channel for my sub and the other for a buttkicker. How do you have yours wired?
            I'm not seeing any issues with using only one channel. I have the D2 model and the VCs are wired in series.

            I could easily bridge the EP2500 as my 2nd channel is not being used, I had originally planned to run two subs off of it...
            Danish

            Comment

            • dyazdani
              Moderator Emeritus
              • Oct 2005
              • 7032

              #7
              Would it be possible for you to cut the parts for your sub (the "real" enclosure) and wait for assembly until you get to AL?
              Danish

              Comment

              • Inu_Yasha
                Senior Member
                • May 2006
                • 256

                #8
                Originally posted by dyazdani
                Would it be possible for you to cut the parts for your sub (the "real" enclosure) and wait for assembly until you get to AL?
                I was actually thinking about that, but I didn't know if I would have room for all the pieces for the box and my other stuff in my Accord. I was planning on doing a 6 cu ft box ported to about 16hz with the dimensions of 32X20X16 for the inner box. After doing all the bracing and getting the outer table parts together, I would think the project would be kinda large.

                Originally posted by ThomasW
                The Linkwitz design creates a woofer not a subwoofer. He uses a sealed box for his sub.

                Yours won't be a sub either. Open baffle output drops like a stone after 40Hz unless the baffle is huge. And even then it takes a bunch of EQ.
                That was the main info I was looking for :cry: . So I'm guessing that it's better for me to stick with my 50W sony sub for the moment until I can fully assemble my RL-p15 in its box?

                Comment

                • Amphiprion
                  Senior Member
                  • Apr 2006
                  • 886

                  #9
                  You can buy that cheapie Woodstyles enclosure at MCM and just equalize the heck out of it.

                  Comment

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