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on Sale - $55/pr (drivers & XO)

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  • Re: on Sale - $55/pr (drivers & XO)

    Then you're definitely not going to be able to afford to read everything you'll need to design and build your speakers and crossovers.

    Especially since you couldn't afford to read the Speaker Building Bible sticky. :rolleyes:


    Originally posted by reaper60 View Post
    I really apologize if this has been posted before, but I really can't afford to read through 13 pages of this post to find all this information! Anyways,...

    !!
    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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    • Re: on Sale - $55/pr (drivers & XO)

      If using 3/4" MDF all around for the floorstanding .55 cubic foot design for the ntn's, would bracing be required?
      Modding the Lepai T-Amp

      Comment


      • Re: on Sale - $55/pr (drivers & XO)

        Originally posted by ericJ View Post
        Ditto on the receipt of parts. My, aren't those some little drivers? My 4 yr old daughter really loved the small boxes the tweets came in.

        I'm going with the original 6 element xover and probably won't get too creative on the box. You'll probably still have yours built before mine!

        Same here. Ditto on the 6-element crossovers. Got them assembled on 3x4 boards. Pretty sure I can't get my hand through the woofer cutout, though, so I'm not sure it really matters how small you can make the board.


        Just FYI to you or anyone else out there building these speakers, I went to my local Home Depot and they have all sorts of scrap 1.5" PVC in the plumbing aisle. They cut down larger pieces for people and end up with boxes filled with short 1- or 2-foot lengths. I asked the sales person if I could have one and she said she would would have to charge me the "per foot" cost.... which ended up being a whopping 56 cents for the 18-inch piece that I picked out of the box.

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        • Re: on Sale - $55/pr (drivers & XO)

          Originally posted by Drew_V View Post
          I asked the sales person if I could have one and she said she would would have to charge me the "per foot" cost.... which ended up being a whopping 56 cents for the 18-inch piece that I picked out of the box.
          You could have gotten her to cut them to the exact length you needed, too.

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          • Re: on Sale - $55/pr (drivers & XO)

            Originally posted by Drew_V View Post
            Same here. Ditto on the 6-element crossovers. Got them assembled on 3x4 boards. Pretty sure I can't get my hand through the woofer cutout, though, so I'm not sure it really matters how small you can make the board.


            Just FYI to you or anyone else out there building these speakers, I went to my local Home Depot and they have all sorts of scrap 1.5" PVC in the plumbing aisle. They cut down larger pieces for people and end up with boxes filled with short 1- or 2-foot lengths. I asked the sales person if I could have one and she said she would would have to charge me the "per foot" cost.... which ended up being a whopping 56 cents for the 18-inch piece that I picked out of the box.
            Well.. I have a unique situation in ref to PVC.. Built a house 3 yrs ago and plumber left all of leftover PVC here.. I have prob 200' of diff diameters hanging from the basement ceiling...:D (remembered this after I went and bought some for my last project.. lol) I hope to get the MDF cut Sunday.. knowing me, I'll prob have them testing Mon eve ;)..then the 50 days of painting.. well, at least it feels that way sometimes.. Good Luck Gents!

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            • Re: on Sale - $55/pr (drivers & XO)

              The sides are long enough that it wouldn't hurt to put a couple of braces in. They don't need to be elaborate. Dowel or strips will be fine.

              Originally posted by XtremeRevolution View Post
              If using 3/4" MDF all around for the floorstanding .55 cubic foot design for the ntn's, would bracing be required?
              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

              Comment


              • Re: on Sale - $55/pr (drivers & XO)

                Got started on my Nanos yesterday! Had to call PE though due to one of the resistors being broken almost in half. By the time it gets here I'm hoping to be half done. I will make a thread when I get time.
                RYAN N.

                "Why do you have the stereo on while you're watching TV?" - "....Cause I like to party."

                RSS390HF Build - http://techtalk.parts-express.com/sh...d.php?t=224998
                AviaTrix Build - http://techtalk.parts-express.com/sh...d.php?t=230372
                Wolf's PC Speakers Build - http://techtalk.parts-express.com/sh...84#post1838384
                Overnight Sensations MT Build - http://techtalk.parts-express.com/sh...ation-MT-build

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                • Re: on Sale - $55/pr (drivers & XO)

                  Originally posted by fastbike1 View Post
                  The sides are long enough that it wouldn't hurt to put a couple of braces in. They don't need to be elaborate. Dowel or strips will be fine.
                  Alright, I'll do just that and compensate for the volume by adding height.

                  I'm at a slight dilemma. I was just offered $300 for my pair of Polk Audio RM40T's. These retailed for $1150, but I got them for significantly less. These NTN's are costing me roughly $175 with everything included. If I sell the RM40T's, I can build two pairs of these for nearly the same cost; one for my father in law and one for myself.

                  What would you guys do? Have any of you even heard the RM40T's to compare to these?

                  http://www.polkaudio.com/homeaudio/p.../recent/rm40t/
                  Modding the Lepai T-Amp

                  Comment


                  • Re: on Sale - $55/pr (drivers & XO)

                    Well I got the my version of the ntn's built for a center channel and of course it too sounds good. It is ported with the port on one of the sides. It is built with the newest crossover from Chris's album. I set it up and moved around the room and the off axis seems good to me- probably everyone will be able to hear the center channel. It is so wide because there was not too much depth where I had to put it. The port is in the left hand side, and it has a removable panel on the back on the right to access the crossover... Ohh and don't mind my temporary wiring mess.......



                    Cliff
                    Attached Files

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                    • Re: on Sale - $55/pr (drivers & XO)

                      Originally posted by cliffburge View Post
                      Well I got the my version of the ntn's built for a center channel and of course it too sounds good. It is ported with the port on one of the sides. It is built with the newest crossover from Chris's album. I set it up and moved around the room and the off axis seems good to me- probably everyone will be able to hear the center channel. It is so wide because there was not too much depth where I had to put it. The port is in the left hand side, and it has a removable panel on the back on the right to access the crossover... Ohh and don't mind my temporary wiring mess.......



                      Cliff
                      I had to chuckle when I saw how you canted the woofers, but your layout seems very logical. How high is that box, and could it have been even less?

                      Comment


                      • Re: on Sale - $55/pr (drivers & XO)

                        Started laying out my xover parts tonight on a board and discovered one set of caps was picked incorrectly @ PE. The 10uF cap bag had 8uF caps in it. I've already contacted PE by email to exchange. I think I can go ahead and finish the layout.

                        Anyone have a completed pic of the 6 element XO? As mentioned before, this is my first time putting one of these together. I have read and reread the sticky links on crossovers and viewed a bunch of other info, but I still want to see a finished one before I start soldering.

                        I really like the way Chris mounted his original 5 element xover on the first page of the thread. How did you get the leads so neatly bent? I like how the leads go down through the board and the nodes are hidden beneath it. No one will see these once they are done, but hey, I know what lies beneath!

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                        • Re: on Sale - $55/pr (drivers & XO)

                          Originally posted by ericJ View Post
                          Started laying out my xover parts tonight on a board and discovered one set of caps was picked incorrectly @ PE.

                          Comment


                          • Re: on Sale - $55/pr (drivers & XO)

                            I have been struggling with the dampening aspect to this build. I currently have @ 2"thick egg crate style foam wedged full width of the cabinet on the back panel and about half of the top and bottom panels and 1/2" carpet padding on the side panels. I am thinking the 2" foam may be to thick?
                            and may be I should try just carpet padding all the way around and maybe play around with adding and or subtracting different amounts of poly fill behind the drivers I also have plenty of regular fiberglass insulation. Another option may be some carpet or I could break down and get some thinner egg crate foam from a fabric store.

                            I want to try to figure this out because as soon as I glue the cabinet together I am not going to be able to do much through the 3 5/8" woofer opening.

                            Any suggestions?

                            My wife is going to pick up some 1" thick polyfill at a fabric store for me today.

                            MLS
                            Last edited by MLS; 03-05-2011, 10:38 AM.

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                            • Re: on Sale - $55/pr (drivers & XO)

                              Originally posted by ericJ View Post
                              Started laying out my xover parts tonight on a board and discovered one set of caps was picked incorrectly @ PE. The 10uF cap bag had 8uF caps in it. I've already contacted PE by email to exchange. I think I can go ahead and finish the layout.

                              Anyone have a completed pic of the 6 element XO? As mentioned before, this is my first time putting one of these together. I have read and reread the sticky links on crossovers and viewed a bunch of other info, but I still want to see a finished one before I start soldering.

                              I really like the way Chris mounted his original 5 element xover on the first page of the thread. How did you get the leads so neatly bent? I like how the leads go down through the board and the nodes are hidden beneath it. No one will see these once they are done, but hey, I know what lies beneath!

                              I'm not sure what's going on with PE, but they did the same thing with my order. I got an 8uF instead of a 10uF. Sure, they were quick to rectify the problem, but they have made errors in all 3 out of my last 3 orders where parts were incorrect. I love their customer service, but I just wish I didn't have to rely on it every time I place an order.


                              And here's a picture of a completed 6-element crossover. I didn't connect the power or driver leads yet, but the layout picture shows you where to attach them (ignore the scribbles). My plan was to run the wires under the board, then zip-tie them to the boards through the holes, then run the wire ends around the edges and solder them to the connection points.
                              Attached Files

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                              • Re: on Sale - $55/pr (drivers & XO)

                                Here is a pic of the top side. I stayed up late last night doing some studying and I have the connections right. I will take the parts off the board and clamp the board to another piece and drill out the holes. Once the replacement 10uF caps come, I'll solder it all together. I'm happy with it for my first time.
                                Attached Files

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