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  • Kit/Design Recommendations?

    Does anyone have any recommendations for a really good MTM kit/design that'll handle 125W rms?
    They'll be used for music and HT.
    The higher the SPL the better. I like obnoxious music played obnoxiously loud.

    I'm planning to mount the speaker boxes sticking out of a 2x6 studded wall, each angled 30 degrees inward towards the couch. I haven't built the wall yet. It won't be load-bearing, so I can design it to accommodate anything I need.

    Ultimately, I want an MTM wired to one channel of a [email protected] plate amp with 1 or 2 8" woofers wired to the other channel.
    Something with DSP: https://www.minidsp.com/products/pla...ers/pwr-ice125. I'm leaning towards that plate amp because I can control it via my LAN.
    I'm also thinking the EQ in the DSP will allow me to tweak any frequency issues caused by mounting a speaker box into a wall.

    Excluding the price of the amp and woofers, I'd like to keep each MTM under $700.

    Thanks

  • #2
    You don't know it yet, but this is what you want. They make their own wall.

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  • #3
    This is the Apollo-7 MTM. The kit description says 110db from 40hz on up. Two 7" Anarchy woofers and a Wavecor tweeter. The kit includes passive crossover parts.

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    • Swipe555
      Swipe555 commented
      Editing a comment
      It looks like the ports would face out the rear, into the wall.

    • djg
      djg commented
      Editing a comment
      You can put the ports on the front, it's DIY.

  • #4
    You might try signing up at AVSforum, they have a very active diy sub and speaker subforum. Many of the members are into extreme HT and stereo sound reproduction. At this forum, linking to a competitors products is frowned upon by the management, Parts Express. PE has kits, but not what you're looking for.

    I pay attention to the hifi speaker kit market, I don't recall any in wall MTM kits or designs. Really not much in wall activity.

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    • #5
      https://www.erinsaudiocorner.com/lou...rs/diysg_1099/

      The tux10-99 I'm pretty excited to announce I'm finally finished with the speaker in my avatar. It's been a long time coming. The first it was concieved was a post by maxmercy well over a year ago, so thanks for the idea Max. It uses two Eminence 16ohm woofers, a pair of Celtion mids, and the...

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      • Swipe555
        Swipe555 commented
        Editing a comment
        Seems to be very limited supply and not offered for sale very often.
        99spl is insane! I'm kind of bummed.

    • #6
      I wonder if I could get good sound with this shoved in my wall: http://speakerdesignworks.com/Anthology_1.html
      I'm not sure why the advertised SPL is 87.

      The components suggest it should do 90 or 91. Maybe it has something to do with the crossover?
      Either way... the designer suggests a max of 110SPL @ 1 meter, which should be enough for a small room.

      Comment


      • djg
        djg commented
        Editing a comment
        That particular design uses open back tunnels for the mids. Not working in wall.

        Articles on speaker building and design, as well as complete write ups on many different speaker designs. 7

      • Swipe555
        Swipe555 commented
        Editing a comment
        If this is a good candidate, can I just put the port out the front? There's a lot of room under the woofers.

      • djg
        djg commented
        Editing a comment
        This design needs space behind it. The midranges have PVC pipes open in the back. Not a good candidate at all.

    • #7
      You can always clone some pro PA stuff, JBL etc. Lots of people do that. AVSforum.

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      • #8
        These would blow your ears out. Component kit available elsewhere.

        Articles on speaker building and design, as well as complete write ups on many different speaker designs. 7

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        • #9
          1) You don't mention, but why MTM? Nothing wrong with MTM, but you are limiting your options so just curious if you have a good reason.

          2) Will you use a subwoofer(s)? You mention the 8" woofers which I assume is for sub frequencies. (Go bigger for HT if you can.)

          Those Apollo MTMs look great, but...if you don't really need MTMs and/or will have subwoofers handling the lowest end, then there are probably other options that will give you better midrange quality when listening to music.



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          • Swipe555
            Swipe555 commented
            Editing a comment
            1) The room is only 7' tall. I could be wrong, but I believe the vertical directivity of MTM is good for low ceilings. Correct me if I'm wrong about that.

            2) I plan on having some 12s or bigger in all 4 corners.

          • djg
            djg commented
            Editing a comment
            All that diysg stuff is out of stock anyway.

        • #10
          It will be difficult to find a kit suited to in-wall mounting. I don't know of any.

          Mounting the baffle of the speaker flush with the wall is a good way to go but it does introduce a whole new set of conditions to design to. Most kit designs wont have been put together expecting an infinite baffle.

          You might need to approach someone to design something specific for your needs.

          If all out SPL is the goal then I've always considered putting a design together using a pair of SB Audience ROSSO-6MW150D. For HT purposes in a wall mounted baffle design a pair of these will play to 80hz in a ported enclosure of just 10L and deliver 118db (with an 80Hz high pass) at full thermal power without even hitting x-max. Paired up with a compression driver like the BIANCO-44CD-K​ for the highs you have a system capable of deafening the suburb. Of course you'll need a serious multi subwoofer setup to keep up.

          The response of both drivers is actually very smooth as well so you could end up with a high fidelity setup with near on 100db sensitivity.
          Constructions: Dayton+SB 2-Way v1 | Dayton+SB 2-Way v2 | Fabios (SB Monitors)
          Refurbs: KLH 2 | Rega Ela Mk1

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          • #11
            Now I assumed you would be building the speakers as normal freestanding units and sticking them into holes in your yet to be built wall. That would be the way to go. You could then pull the speakers out and place them normally, after you see how restrictive your idea is. JMHO.

            Comment


            • Swipe555
              Swipe555 commented
              Editing a comment
              What restrictions might there be?

            • djg
              djg commented
              Editing a comment
              Well you can't move them.

          • #12
            The ceiling is only 7'.
            Am I correct to believe that MTM speakers would be best for the left and right front speakers with such a low ceiling? I originally thought this because of MTM's vertical off-axis characteristics, but now I'm not so sure.

            I might plan on putting minimal sound absorption on the ceiling. It can't be very thick because the ceiling is already so low.

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