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  • 90 degrees

    Anybody have any hints,tips or maybe a decent corner clamp for making true 90 degree corners for making speaker cabinets?
    I get REAL close, but I am thinking there is some fool proof way to achieve good results.
    Statement Monitors

    Duratex is your friend

  • #2
    Re: 90 degrees

    use a corner clamp?
    Builds - C-Killa - Speedsters - LithMTM - Talking Sticks - Pocket Rockets - Khanspires - Dayton RS Center - RS225/28A - Kairos - Adelphos - SEOS TD12X - Dayton 8 - Needles - 871S - eD6c - Overnight Sensations - Tritrix (ported) - Lineup F4 - Stentorians - The Cheapies - Tub Thumpers - Barbells - Tuba HT - Numerous subwoofers - probably missing a few...... :p

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    • #3
      Re: 90 degrees

      Yep, put a corner clamp on each corner. To build a speaker enclosure, you'll need 8 corner clamps, like this:

      Click image for larger version

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      Or you can put 4 corner clamps on the top to keep everything square, and some bar clamps on the bottom to hold it together. Your choice.

      These corner clamps are pretty inexpensive, and can be found at your local hardware store: http://www.homedepot.com/p/Pony-3-in...66-K/100180604

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      • #4
        Re: 90 degrees

        +1. They work well.

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        • #5
          Re: 90 degrees

          Originally posted by Blacktree View Post

          These corner clamps are pretty inexpensive, and can be found at your local hardware store: http://www.homedepot.com/p/Pony-3-in...66-K/100180604
          I have few of those, those are pretty weak IMO.
          Statement Monitors

          Duratex is your friend

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          • #6
            Re: 90 degrees

            You can route out a perfect 90 on a couple pieces of cutting board on a CNC table or mill and clamp it on both sides of the panel with a bar clamp. The routed area will keep the wood in place.

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            • #7
              Re: 90 degrees

              A carpenter's square, combination square, or a square piece of wood used as a template while clamping works for me.

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              • #8
                Re: 90 degrees

                http://www.woodmagazine.com/woodwork...lamping-tasks/

                You can scale them down to fit your needs
                9 out of 10 British housewives can't tell the difference between Whizzo Butter and a dead crab.

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                • #9
                  Re: 90 degrees

                  Originally posted by Steven72555 View Post
                  I have few of those, those are pretty weak IMO.
                  I agree. I don't really like relying on them. I've always wanted to try these: http://www.rockler.com/clamp-it-asse...quare-6-pc-kit, but I can't bring myself to drop that much cash on them. As others have suggested though, you could make your own out of something very dimensionally stable.

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                  • #10
                    Re: 90 degrees

                    Biscuit joints can help, but there is enough play in those that you still must check against a square object. I did biscuits on these and assembled each one in one operation save the missing side. I did screw up one joint on the backside of one cab by about 1/32". Didn't see it 'til the glue had set.
                    Attached Files

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                    • #11
                      Re: 90 degrees

                      Originally posted by Steven72555 View Post
                      I have few of those, those are pretty weak IMO.
                      There are better corner clamps available. That was just an example.

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                      • #12
                        Re: 90 degrees

                        these are a little more money, but work great.
                        http://www.amazon.com/gp/product/B00...QTB7MBZ7TVRXEG
                        Jeff

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                        • #13
                          Re: 90 degrees

                          You can just buy the squares and use your existing clamps. The squares work.

                          I always chuckle a bit in threads like this when the well intentioned advice is "build a jig". Basically telling someone who is having trouble with getting square corners to build a square jig.


                          Originally posted by 1100xxben View Post
                          I agree. I don't really like relying on them. I've always wanted to try these: http://www.rockler.com/clamp-it-asse...quare-6-pc-kit, but I can't bring myself to drop that much cash on them. As others have suggested though, you could make your own out of something very dimensionally stable.
                          I was so much older then, I'm younger than that now.
                          OS MTMs http://techtalk.parts-express.com/sh...d.php?t=220388
                          Swope TM http://techtalk.parts-express.com/sh...d.php?t=221818
                          Econowave and Audio Nirvana AN10 fullrange http://techtalk.parts-express.com/sh...d.php?t=216841
                          Imperial Russian Stouts http://techtalk.parts-express.com/sh...=1#post1840444
                          LECBOS. http://techtalk.parts-express.com/sh...ghlight=lecbos

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                          • #14
                            Re: 90 degrees

                            Originally posted by Blacktree View Post
                            Yep, put a corner clamp on each corner. To build a speaker enclosure, you'll need 8 corner clamps, like this:

                            [ATTACH=CONFIG]49923[/ATTACH]

                            Or you can put 4 corner clamps on the top to keep everything square, and some bar clamps on the bottom to hold it together. Your choice.

                            These corner clamps are pretty inexpensive, and can be found at your local hardware store: http://www.homedepot.com/p/Pony-3-in...66-K/100180604
                            Bought some, didn't really like them, upgraded to these and never looked back.

                            http://www.wolfcraft.com/en/products...s/p/index.html
                            Failure is not an option. It comes bundled with Windows.

                            We are passionate about great sound at whatever level we can afford, so don't let the audio atheists reduce the experience to a set of numbers and squiggly lines. - jbruner

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                            • #15
                              Re: 90 degrees

                              Very Pricey, but they work - Corner Clamp

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