Atlas 15 information?

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  • Mazeroth
    Senior Member
    • Nov 2004
    • 422

    Atlas 15 information?

    I sold a gentleman an Ascendant Audio Atlas 15 about a year ago that I didn't need. He just got in contact with me asking if I had any designs for the sub that he could build. I remember Ascendant posting different enclosures with the various Qs the Atlas has. Does anyone have any on hand they could send to me?

    If that's not possible, could you recommend a sealed alignment that would be ideal for a hybrid music/movie setup? He said box size is not an issue so I'm definately thinking low Q with a large box.

    Thanks!
  • ThomasW
    Moderator Emeritus
    • Aug 2000
    • 10933

    #2

    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

    • Mazeroth
      Senior Member
      • Nov 2004
      • 422

      #3
      Links in the archived link are dead

      Thanks anyhow.

      Comment

      • ThomasW
        Moderator Emeritus
        • Aug 2000
        • 10933

        #4
        email Chad....

        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
          Here are the specs I have in Unibox for the Atlas 15 with coils in series, Qts = .390:

          Fs 21.50 Hz
          Re 4.20 Ohm
          Qms 6.56
          Qes 0.42
          Sd 810.0 cm2
          Vas 364.0 l
          Xmax peak 18.00 mm

          Looks like 0.7 would need ~4.6ft^3 with some stuffing. I use my pair for an IB, which they seem to make the most sense in given the high Vas and adjustable Qts..

          Comment

          • Exocer
            Senior Member
            • Feb 2006
            • 262

            #6
            I agree with the above, I'd make sure not to feed it too much power in that setup.

            Sorry to go off topic.
            Jack, given any thought to adding more Atlas 15's? Seems that Ascendant will have a batch of 10 ready by some time this week or next week.

            Comment

            • Jack Gilvey
              Senior Member
              • Aug 2001
              • 510

              #7
              Jack, given any thought to adding more Atlas 15's?
              Nahh. I'm kinda tired of fighting the acoustics of the one position that's feasible for the manifold, so I'm probably going to wind up with a couple small sealed subs at more optimal positions. I've started that project , but it's been side-tracked for the near future. I'll get back to it at some point, though.

              Comment

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