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Found 5 results

  1. Hello everyone! I am currently on the lookout for software that could help me construct and tune a 6th order wall in my Subaru outback. I am willing to pay for the software, but free would be better. I need it to be in US standard for measurements (cut sheets, dimensions, all that good stuff.) Please give me a shout out if you guys have any suggestions. Thanx in advance!
  2. Hey, all! This is my baby. It's a 2003 Mitsubishi Montero that I drove in high school; I recently bought it back from my folks for a couple grand, and its whole purpose is to be destroyed with bass. She's in decent shape for 140k miles. A few years ago, I had a c-pillar wall in this thing with 2 Fi BTL N2 18s on a n AQ3500.1 at .7. It did 152s with garbage electrical, and was super fun. I've always dreamed of walling this thing at the b pillar, so here we go. All I saw here was potential. Time to rip all this shit out. The process has begun. Carpet cut, headliner removed, and roof braces foamed. There's quite a decent amount of space in this bitch. Maaaany more pics to come. Just gotta get them on Imgur. Stay tuned!
  3. *************[Note: Since photobucket decided to nerf everyone's accounts, a lot of the pictures in this thread are gone. I intend to fix all of the posts but it will take quite a while. Photos start on page 29 currently. In the meantime all of the photos are available on Facebook by searching #projectflexington and many are on Instagram under the same hashtag. Thanks for looking and please don't be afraid to comment! ]************* So figure it is time to start a build log for my 6th order wall. Been working on it for a few weeks now. I'll start by posting the equipment I'm using for the build. Electrical: Batteries: 2 nsb170fts and 2 stinger group 31s: 3 banks of super caps: 2 singer 320amp alternators (these came with the truck, I'm currently in the process of redoing the bracket to strengthen it and add a tensioner but I'll elaborate later): 4+ spools of skyhigh 1/0, knukonceptz 4/0 ofc for alternators (will post pictures later) Terminals, marine grade ring terminals lugs, properly crimped with double wall adhesive lined heat shrink: Subs are 2 sundown x15s rev 1(will be rebuilding for level 6 18s at a later date): Sub Amp, kicker warhorse: Head unit and tweeters, Sony dsx-s210x and 4x Earthquake Screamers, 1.5" 150wrms per pair silk Dome tweeters with replaceable voice coils: Mid bass, 4x dayton audio 10" pa woofers, 300rms each: Mids are tbd, probably 2 8" midrange speakers. Lots of Baltic birch: If you enjoy, please comment!
  4. I was reading up on 6th order bandpass boxes and I ran across some patents. I found a lot of interesting design information in these patents, but no calculations. Whats the point you ask? To understand better how bandpass boxes function. Knowledge is power. Most of the patents have a lot of blah blah blah near the beginning of each patent since justifying the patent is first and foremost. Somewhere past halfway, each patent lists some design tips, tricks, rules, etc that are great and thats where the interesting portions begin. I recommend to have the attached pictures (at the beginning of the patent) opened on a second screen so that you can quickly reference the numbers identifying each component and its importance in each system. 4th order: https://www.google.com/patents/US2689016 Parallel tuned 6th order (Bose): https://www.google.com/patents/US4549631 Series tuned 6th order: https://www.google.com/patents/US4875546 Series and parallel-series tuned Nth order (8th and higher): https://www.google.com/patents/US7103193 Helmholtz Resonance, the concept that drives ported enclosures and all 4th, 6th, etc enclosures: https://en.wikipedia.org/wiki/Helmholtz_resonance I've been reading through these for a few days now trying to understand whats going on with these more complicated arrangements and I think some of you will benefit from the information in these patents. Enjoy.
  5. Hi guys, if anybody with experiance with 6th orders could check this design for me that would be great (please forgive my dodgy sketchup) The box is for 4 lvl6 18" subs running off 4 5.0k. the rear chamber should be around 35ft^3 @ 25hz, the front chamber is 13ft^3 @ 50hz, this is for a ground pounder not a burp car so loud lows are what im looking for here. The "shell" of the box is alot thicker then 1 layer of 3/4mdf just using this for internal only. My main concern is port postion and sizing, from what i have read and been told port speed can make a big difference here. Any ideas or input (even its to tell me it sucks) is wanted. thanks - from australia oh i have conerted to inches for you guys aswell
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