A few pre-build questions!

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  • megamuel
    Member
    • Oct 2007
    • 56
    #1

    A few pre-build questions!

    I'll soon be starting to build some speakers I have designed but first I just wanted to know a few things. Firstly, what type of glue do you guys recommend for glueing cabinets? If you can please tell me the type of wood glue not the brand as I live in the UK and most of the brands are different. Secondly, how do you seal your cabinets so that they are air tight? I think I read somewhere that some types of sealant can damage the speaker cones? Silicon ok? Also is it necessary to paint the insides of the cabinets with some type of sealant so they are not porous or not? I will be using 25mm MDF to make my cabs. And lastly, dampening. Is there a general rule of when adding dampening material, i.e. so many lbs per litres? Or is it just trial and error? And, how important is the material? I've bought all my speaker parts from parts express because there is nothing like parts express here in the UK, and even if I do find speaker parts here they are a lot more expensive than buying them and having them shipped from the USA because of how the dollar is at the moment, so my question is, is it worth buying parts express "Sonic Barrier Dampening Material" and having it shipped here or would buying some roof insulation material do exactly the same thing for a fraction of the cost? Any other advice for a first time builder? Thanks in advance guys!!!

    Sam
    Tags: None
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    • mlw
      Junior Member
      • Dec 2007
      • 13
      #2
      re glue, a basic yellow (aliphatic resin), or modified polymer glue (Titebond I, II or III) works well with mdf, and in Fine Woodworking tests outperformed some of the newer, fancier glues. Re sealing, I used a 1/2 wide, 1/16 thick adhesive backed foam window glazing tape, have read of folks using silicone - smoothing the bead a bit, and letting it skin over good before mounting the speakers. re paint, no. re damping, depends on whether it is a sealed or ported speaker. Check the design thread, and there are several threads here on the subject. re: any other.. measure twice, take your time, etc - easy to get a little excited on your first project (recent personal experience). Have fun!
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        • ThomasW
          Moderator Emeritus
          • Aug 2000
          • 10933
          #3
          Note on Wood Glue and Gorllia Glue - HTGuide Forum
          https://www.htguide.com/forum/showthread.php?t=26381&highlight=glue+cabinets
          DIY (Do it yourself): Cabinetry, speakers, subwoofers, crossovers, measurements. Jon and Thomas have probably designed and built as many speakers as any non-professionals. Who are we kidding? They are pros, they just don't do it for a living. This has got to be one of the most advanced places on the net to talk speaker building, period.


          Damping Materials - HTGuide Forum
          https://www.htguide.com/forum/showthread.php?t=25628&highlight=damping+material
          DIY (Do it yourself): Cabinetry, speakers, subwoofers, crossovers, measurements. Jon and Thomas have probably designed and built as many speakers as any non-professionals. Who are we kidding? They are pros, they just don't do it for a living. This has got to be one of the most advanced places on the net to talk speaker building, period.


          Lining sealed boxes? - HTGuide Forum
          https://www.htguide.com/forum/showthread.php?t=25809&highlight=damping+material
          DIY (Do it yourself): Cabinetry, speakers, subwoofers, crossovers, measurements. Jon and Thomas have probably designed and built as many speakers as any non-professionals. Who are we kidding? They are pros, they just don't do it for a living. This has got to be one of the most advanced places on the net to talk speaker building, period.


          P.E. Acoustic Foam? - HTGuide Forum
          https://www.htguide.com/forum/showthread.php?t=25824&highlight=lining+stuffing
          DIY (Do it yourself): Cabinetry, speakers, subwoofers, crossovers, measurements. Jon and Thomas have probably designed and built as many speakers as any non-professionals. Who are we kidding? They are pros, they just don't do it for a living. This has got to be one of the most advanced places on the net to talk speaker building, period.
          Last edited by theSven; 27 May 2023, 12:38 Saturday. Reason: Update htguide urls

          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
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            • megamuel
              Member
              • Oct 2007
              • 56
              #4
              thanks guys!
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                • servicetech
                  Senior Member
                  • Sep 2007
                  • 209
                  #5
                  I use ordinary caulking to hold the cabinet together. Air nails hold until the caulk dries.
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