By PSW Staff • June 16, 2008 Members of the LAB community began the LAB Subwoofer Project years ago, and many members have contributed drawings, specs, photos, and experiences in designing and building a LAB subwoofer. We have a forum dedicated to the LAB Subwoofer and all the LSP Documentation right here. DXF drawings for 18mm wood Eric Hendricks has converted Jeremy’s .dwg files (see below) to .dxf format. Thanks, Eric! LAB 18mm drawing 1 LAB 18mm drawing 2 LAB 18mm drawing 3 LAB 18mm drawing 4 Jeremy Bridge has converted the drawings for use with 18mm wood, which is the most common material. Thanks, Jeremy! LAB 18mm drawing 1 LAB 18mm drawing 2 LAB 18mm drawing 3 LAB 18mm drawing 4 Jeremy’s DXF drawings for use with 18mm wood now available as PDFs (Adobe Acrobat), thanks to Raj from Canada. LAB 18mm drawing 1 LAB 18mm drawing 2 LAB 18mm drawing 3 LAB 18mm drawing 4 By the way, Jeremy notes that “these plans are MUCH easier to build completely in metric. The imperial measurements are ugly.” Fabrication Photos AJ Cooper kindly submitted these photos of the Lab Sub in the process of assembly. THANKS AJ!! http://www.prosoundweb.com/lsp/ajpix/3sidedbox.gif In GIF format, 182k http://www.prosoundweb.com/lsp/ajpix/accessandmouthbrace.gif In GIF format, 186k http://www.prosoundweb.com/lsp/ajpix/accesspanelrouted.gif In GIF format, 162k http://www.prosoundweb.com/lsp/ajpix/assembledmodulebox.gif In GIF format, 168k http://www.prosoundweb.com/lsp/ajpix/attachingbraces.gif In GIF format, 181k http://www.prosoundweb.com/lsp/ajpix/baffleboardin.gif In GIF format, 191k http://www.prosoundweb.com/lsp/ajpix/baffleboards.gif In GIF format, 162k http://www.prosoundweb.com/lsp/ajpix/brokendado.gif In GIF format, 162k http://www.prosoundweb.com/lsp/ajpix/firststeps.gif In GIF format, 186k http://www.prosoundweb.com/lsp/ajpix/hornshaped.gif In GIF format, 191k http://www.prosoundweb.com/lsp/ajpix/openview.gif In GIF format, 209k LAB12 Distributor Contact Info The following companies are distributing the spec LAB12 driver in the US. Loudspeakers Plus Inc, Palatine, IL (847) 963-0725 [email protected] Martin Sound Products, Cleveland, OH (800) 321-6306 [email protected] Orange County Speaker, Garden Grove, CA (800) 897-8373 [email protected] Parts Express, Springboro, OH (800) 338-0531 [email protected] The following companies are distributing the spec LAB12 driver in the UK and Europe. Eminence Speaker Europe Ltd, West Yorkshire, England 44-1924-239999 [email protected] Adam Hall GmbH, Neu-Anspach, Deutschland 49-06081-94190 [email protected] CAD Drawings for Fabrication Donated by Brian Fehrman. THANKS BRIAN!! PDF format http://www.prosoundweb.com/lsp/horn_asm_1.pdf In PDF format, 90k http://www.prosoundweb.com/lsp/horn_asm_2.pdf In PDF format, 86k http://www.prosoundweb.com/lsp/horn_asm_3.pdf In PDF format, 100k http://www.prosoundweb.com/lsp/horn_asm_4.pdf In PDF format, 146k DXF format http://www.prosoundweb.com/lsp/horn_asm_1.dxf In DXF format, 982k http://www.prosoundweb.com/lsp/horn_asm_2.dxf In DXF format, 526k http://www.prosoundweb.com/lsp/horn_asm_3.dxf In DXF format, 553k http://www.prosoundweb.com/lsp/horn_asm_4.dxf In DXF format, 711k Actual Response of a prototype Just added! http://www.prosoundweb.com/lsp/response1.gif In GIF format, 27k Updated Prediction Charts Updated plot, single enclosure. http://www.prosoundweb.com/lsp/4shortlab.jpg In JPEG format, 86k Updated plot, cluster of four enclosures. http://www.prosoundweb.com/lsp/4shortlab-wfg-nd.jpg In JPEG format, 86k http://www.prosoundweb.com/lsp/power-eff.jpeg In JPEG format, 424k http://www.prosoundweb.com/lsp/press-imp-xmax.jpeg In JPEG format, 437k http://www.prosoundweb.com/lsp/throat.jpeg In JPEG format, 515k 3-D Renderings Just added! http://www.prosoundweb.com/lsp/3d1-4-23-02.jpg In JPEG format, 27k Just added! http://www.prosoundweb.com/lsp/3d2-4-23-02.jpg In JPEG format, 32k http://www.prosoundweb.com/lsp/LAB-3DA.gif In GIF format, 31k http://www.prosoundweb.com/lsp/LAB-3DB.gif In GIF format, 27k http://www.prosoundweb.com/lsp/LAB-3DC.gif In GIF format, 38k Horn http://www.prosoundweb.com/lsp/labhorn1a.jpeg In JPEG format, 571k http://www.prosoundweb.com/lsp/labhorn2b.jpg In JPEG format, 380k Custom Driver Pics http://www.prosoundweb.com/lsp/customdriver1.jpeg In JPEG format, 378k http://www.prosoundweb.com/lsp/customdriver2.jpeg In JPEG format, 395k Discussion Forum Click here for the forum Comments Have something to say about this PSW content? Leave a comment! Cancel reply Scroll past the ”Post Comment” button below to view any existing comments. Your email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed. Robert Jacobson says Looking over the drawings, I can,t find a view that dimensions how far the baffle is in from the side. I see that on one of the assembly pictures that it is suggested a six inch scrap spacer be used for baffle alignment and height. So I am assuming that the correct dimension between the side panel and baffle is six inches? The reported height of the speaker is 6.44 inches. So this would mean that the speaker sticks up inside the access hole cutout leaving approx 1/8 inch clearance between the speaker and the access door of 1/4 inch aluminum. Is this correct? Dan Magers says Robert, Correct. It’s a very tight fit for the driver. There is some thermal coupling allowing the aluminum cover plate to sink some heat from the magnet ass’y. I positioned three dabs of thermal conductive puddy on the magnet before installing the cover. Do not cover the driver’s rear vent. Robert Jacobson says Check out the pictures on the website of J R Sound Co. on MY Space. They built a pair in three days except for loading and putting on the finish. All the pics are in bare wood. jimwest says would be better to pack them as one file instead of four seperate parts. john310 says I hope you can give several advices to me, because your knowledge is great, it can help many students to get great score in every task or project. If you don’t mind, I will contact you to make short discussion for my projecttestking|| ccent|| CCIE-LAB|| ccie|| ccna|| ccnp|| ccvp|| ccsp|| ccna wireless|| ccda|| suzzia says I would leave my first comment. I don’t know what to say except that I have enjoyed reading. Nice blog. I will keep visiting this blog very often.Wish I had found this blog before healthy hair \ how to grow hair faster \ vitamin b12 \ straightening hair \ women with hair loss \ hair transplants \ grow your hair \ hair care Leo123 says 646-204 | 642-274 | 642-691 | 650-082 | 350-060 | 640-460 | 642-241 | Loved to read your blog. I would like to suggest you that traffic show most people read blogs on Mondays. So it should encourage blogger to write new write ups over the weekend primarily marinarobert says When a separate system can’t be had and the channel count allows it, I use the direct outs of each channel that is required in the monitors and run them to spare channels in the desk. 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