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A new 2.5way SEOS12 project I did.

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  • A new 2.5way SEOS12 project I did.

    Hi all. Hope some people find this interesting. Build thread is over on avsforum. It uses Celestion FTR12-3070C woofers.

    I molded the waveguide into the baffle and made grills to reveal that. I figured grills weren't very important for the waveguide as it's not like a dome that can be damaged. I did want to protect the woofers though.







    Ground plane of the bass response



    On axis, 30, and 60 degrees



    With and without the grills.



    Was a lot of fun building and ringing them out. They have insane output of course. I've used them for an outdoor movie night, as monitors for an outdoor concert (different XO), and taken them to a blind comparison where they were well liked. When you crank them up with dynamic classical music they vibrate my chest cavity on big dynamic passages and for movies they are simply clear and unflinching on every impactful explosion. I cross them to my sub system consisting of 6 sealed CSS Trio 12s at 60hz which provides a truly full range movie experience.

    Thanks for looking
    https://www.youtube.com/channel/UCm2...oSKdB448TTVEnQ

  • #2
    Re: A new 2.5way SEOS12 project I did.

    These look awesome. I really like the triangular ports and integration with the atypical grill shape.

    Comment


    • #3
      Re: A new 2.5way SEOS12 project I did.

      You have an old Delta saw.

      Comment


      • #4
        Re: A new 2.5way SEOS12 project I did.

        Those look real nice. Well done!
        I'm not deaf, I'm just not listening!

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        • #5
          Re: A new 2.5way SEOS12 project I did.

          Very nice!
          "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche

          http://www.diy-ny.com/

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          • #6
            Re: A new 2.5way SEOS12 project I did.

            The molded-in WG is a really sweet touch. How much work did that take?

            What's that 15" concentric in the background.
            --
            "Based on my library and laboratory research, I have concluded, as have others, that the best measures of speaker quality are frequency response and dispersion pattern. I have not found any credible research showing that most of the differences we hear among loudspeakers cannot be explained by examining these two variables." -Alvin Foster, 22 BAS Speaker 2 (May, 1999)

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            • #7
              Re: A new 2.5way SEOS12 project I did.

              Thanks all

              Originally posted by NickJ View Post
              These look awesome. I really like the triangular ports and integration with the atypical grill shape.
              That was a treat for me too. Turned out better than expected.

              Originally posted by djg View Post
              You have an old Delta saw.
              It's a Rockwell, but ya, looks like a Delta uni. How do you know?

              Originally posted by Pallas View Post
              The molded-in WG is a really sweet touch. How much work did that take?

              What's that 15" concentric in the background.
              It wasn't that difficult. That part starts here: http://www.avsforum.com/forum/155-di...l#post24570893

              The coax is from Reaction Audio. It's a new speak line they're getting ready to sell. It uses a Radian. Sounds really quite nice and a good price. Very big though.
              https://www.youtube.com/channel/UCm2...oSKdB448TTVEnQ

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              • #8
                Re: A new 2.5way SEOS12 project I did.

                Originally posted by ryanbouma View Post







                It's a Rockwell, but ya, looks like a Delta uni. How do you know?


                I looked at the build thread on AVS. I used to have access to a really ancient Delta. Nice job BTW.

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                • #9
                  Re: A new 2.5way SEOS12 project I did.

                  Excellent, and that means Superb!

                  Comment


                  • #10
                    Re: A new 2.5way SEOS12 project I did.

                    Originally posted by djg View Post
                    I looked at the build thread on AVS. I used to have access to a really ancient Delta. Nice job BTW.
                    Oh of course. Duh.

                    Thanks guys. Wish you could hear them
                    https://www.youtube.com/channel/UCm2...oSKdB448TTVEnQ

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                    • #11
                      Re: A new 2.5way SEOS12 project I did.

                      Awesome unique cabinet design!

                      Extra points for the big stack of firewood in the background . Wish i had a fireplace or stove :(

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