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  • Bonding NEO Magnets

    Doing Grills for current build and I think I may have recessed them a little to much. Just now, I placed a second magnet on the grill side and they really stuck well. So, now I want to bond a second magnet to all twelve on the grill side.
    What thin coating will bond these best? Perhaps I need to capture them with epoxy but I would rather do it neatly.
    Any suggestions?
    " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

    Quote Originally Posted by hongrn. Oct 2014
    Do you realize that being an American is like winning the biggest jackpot ever??

    http://www.midwestaudioclub.com/spot...owell-simpson/
    http://s413.photobucket.com/albums/pp216/arlis/

  • #2
    Re: Bonding NEO Magnets

    Thin CA would certainly bond them, but I'm not sure if the bond would be as permanent as epoxy.

    Mark
    You go your way, I'll go mine. I don't care if we get there on time.

    ~Pink Floyd

    Comment


    • #3
      Re: Bonding NEO Magnets

      Thanks.
      " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

      Quote Originally Posted by hongrn. Oct 2014
      Do you realize that being an American is like winning the biggest jackpot ever??

      http://www.midwestaudioclub.com/spot...owell-simpson/
      http://s413.photobucket.com/albums/pp216/arlis/

      Comment


      • #4
        Re: Bonding NEO Magnets

        Extension/somewhat off topic:

        Arlis, how do you make your grills? I do the traditional staple the fabric on the back but I find it very unattractive from the side/back angle or when you take it off. Are you doing something different? Hope this isn't seen as a complete and total threadjack. :o
        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

        Comment


        • #5
          Re: Bonding NEO Magnets

          http://techtalk.parts-express.com/sh...I-make-a-grill
          " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

          Quote Originally Posted by hongrn. Oct 2014
          Do you realize that being an American is like winning the biggest jackpot ever??

          http://www.midwestaudioclub.com/spot...owell-simpson/
          http://s413.photobucket.com/albums/pp216/arlis/

          Comment


          • #6
            Re: Bonding NEO Magnets

            I've used thermal epoxy for electronics. Obviously don't need to be thermal, but that's what I had around. That was 10 years ago and the neo magnets are still on there. And this item has dropped from 5+ft multiple times onto hard floors.
            Nichikuros - Peerless 831735 Nomex + Vifa NE25VTA
            Digger8 - Small compact 8" sub with F3 = 20Hz
            Madison-D and Madison-R - Tang Band W4-1720 + Vifa BC25SC06 or Beston RT003C (TM and MTM)
            Jeffrey - Tang Band W5-704D + Beston RT003C
            Jasmine - Fountek FW146 + Fountek NeoCD3.0 Ribbon in Pioneer BS21 Cabinet

            Comment


            • #7
              Re: Bonding NEO Magnets

              I guess my biggest concern is that the surface is so shiny.
              " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

              Quote Originally Posted by hongrn. Oct 2014
              Do you realize that being an American is like winning the biggest jackpot ever??

              http://www.midwestaudioclub.com/spot...owell-simpson/
              http://s413.photobucket.com/albums/pp216/arlis/

              Comment


              • #8
                Re: Bonding NEO Magnets

                CA's usually bond better to slick, smooth surfaces than will epoxy since epoxy has poor peel strength. But I've had occasional good results with epoxy on magnets.


                Originally posted by arlis_1957@yahoo.com View Post
                I guess my biggest concern is that the surface is so shiny.
                ~99%
                Make me an angel that flies from Montgomery
                Make me a poster of an old rodeo
                Just give me one thing that I can hold on to
                To believe in this livin' is just a hard way to go

                Comment


                • #9
                  Re: Bonding NEO Magnets

                  I always epoxy my magnets. Also I arrange them so they line up with the heads of appropriate driver mounting screws/bolts so I don't have to also imbed any in the baffle. I epoxy the magnets into recesses on the back of the grille board.
                  Paul

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                  • #10
                    Re: Bonding NEO Magnets

                    i have used epoxy, ca, and silicone on magnetic knife racks, and havent had anyone loose a magnet yet. CA was the easiest to work with.
                    "As you start traveling down that road of life, remember this: There are never enough comfort stops. The places youíre going to are never on the map. And once you get that map out, you wonít be able to refold it no matter how smart you are." -kermit the frog

                    a good place to check out http://www.midwestaudioclub.com/

                    Comment


                    • #11
                      Re: Bonding NEO Magnets

                      Originally posted by joeybutts View Post
                      Extension/somewhat off topic:

                      Arlis, how do you make your grills? I do the traditional staple the fabric on the back but I find it very unattractive from the side/back angle or when you take it off. Are you doing something different? Hope this isn't seen as a complete and total threadjack. :o
                      Not Arlis, but here's my approach:

                      Cut a 1/8" dado 1/4" in from the edge of the frame. This can be done on a table saw for a rectangular frame. The grill cloth is held in with 1/8" plastic screen spline.

                      Bob

                      Click image for larger version

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                      • #12
                        Re: Bonding NEO Magnets

                        Originally posted by Bob Brines View Post
                        Not Arlis, but here's my approach:

                        Cut a 1/8" dado 1/4" in from the edge of the frame. This can be done on a table saw for a rectangular frame. The grill cloth is held in with 1/8" plastic screen spline.

                        Bob
                        Thanks Bob!
                        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

                        Comment


                        • #13
                          Re: Bonding NEO Magnets

                          I am aware of your method but mine suits me fine.
                          " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

                          Quote Originally Posted by hongrn. Oct 2014
                          Do you realize that being an American is like winning the biggest jackpot ever??

                          http://www.midwestaudioclub.com/spot...owell-simpson/
                          http://s413.photobucket.com/albums/pp216/arlis/

                          Comment


                          • #14
                            Re: Bonding NEO Magnets

                            Thanks Bob,
                            How deep do you make the groove? I assume you use a router on the circle?

                            Comment


                            • #15
                              Re: Bonding NEO Magnets

                              Same as the width.
                              " To me, the soundstage presentation is more about phase and distortion and less about size. However, when you talk about bass extension, there's no replacement for displacement". Tyger23. 4.2015

                              Quote Originally Posted by hongrn. Oct 2014
                              Do you realize that being an American is like winning the biggest jackpot ever??

                              http://www.midwestaudioclub.com/spot...owell-simpson/
                              http://s413.photobucket.com/albums/pp216/arlis/

                              Comment

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