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  1. General Car Audio Discussion
    I'm going to be building some subs for my 07 Ram 2500 here in the next month or so and I've been looking around reading and watching videos on ported and sealed boxes My last pickup (03 Tacoma) I had a sealed box and I really liked it. It was super tight and accurate and sounded great, but it...
  2. Technical & Advanced Car Audio Discussion
    I have 1 12” Arc Audio black series subwoofer in a cheap prefab slot ported enclosure from bestbuy and I am not satisfied. It is in the trunk of my 2015 Lexus is250 currently being powered by Helix D one amplifier which gives it 500 rms at 1ohm(sub is wired parallel to 1 ohm load). I love the...
  3. DIYMA - SPL Forum
    If I have a subwoofer enclosure that is 7.4 cubic feet after all displacements besides the port how would I go about calculating how big my port is if the port itself is supposed to be subtracted too? At 7.4 ft cubed my port size 3” by 24” by 13.6” long but that is calculated without the port...
  4. Technical & Advanced Car Audio Discussion
    Hello - I am new to this forum but have some experience Installing and customizing car audio - many many decades ago, lol. Here is my successful old school setup I haven’t seen discussed: Big, powerful subs mounted in a box in the trunk of a sedan (The drivers are aimed up at the rear deck)...
  5. General Car Audio Discussion
    I'm building my sealed box for my single IDMAX12 in the next couple days and I'm trying to decide on how big to make it. The spec sheet from Image Dynamics has a compact recommendation of .65 ft3, universal/recommended of 1.0 ft3, and an audiophile recommendation of 1.8 ft3. I'm deciding between...
  6. General Car Audio Discussion
    Hey guys, so i bought a 12W6v2 used recently and it came with a ported 12" JL basswedge box, i thought it would sound half decent because it was a JL box.. but was i wrong, it was a one note wonder, and everything else was just sloppy and not as loud, at first i suspected the sub wasn't my...
  7. System Design: Help Me Choose Equipment For My Car
    Hey guys im new here just trying to figure out how to properly design a box for my sub. im using WINISD and got everything down pretty much except the port is confusing me, can someone just double check my measurements and tell me exactly what tune this box will give me ? My box is HxWxL...
  8. Fabrication, Tools & Tricks of the trade
    Vehicle: 2012 VW Passat CC Location in the vehicle: back deck Space available (Length x Width x Height): 44x24x5 Subwoofer make and model: Hertz HX250D or JL Audio 10TW3D4 Subwoofer Size: 10" Number of Subwoofers: 1 Type of Port (Kerfed, Slot, Aero, etc.): Sealed What type of music do you like...
  9. Technical & Advanced Car Audio Discussion
    I picked up a couple of deadstock SW8102.4 DVC today for a song and a dance. I've wanted these since they were introduced in '04 and finally own them. Looking at enclosures and will probably build tomorrow. Just using one for now. The info online is scarce for these and Eclipse only lists them...
  10. General Car Audio Discussion
    Planning my install for Esotar 430 mid. My plan is to put them in the A pillar with my supremo piccolos. A quick calculation shows a critically damped enclosure volume of 250cc (0.009 cuft). Muttered about this to a potential installer who said they never put them in an enclosure. Has anyone had...
  11. Technical & Advanced Car Audio Discussion
    I am currently designing an enclosure for 3 Polk DXI 12's i got on sale at best buy for 30 dollars a piece. (Still can't believe that deal). I will be running them at ~.7 ohms (dvc 4 ohm, x3, wiring down) on a sundown or similar 1000 watt amp. My idea is ported, tuned to 32hz. I want to do...
  12. System Design: Help Me Choose Equipment For My Car
    Hello everyone. I have read and learned a good portion of what i know here on DIY and i have tried to figure out what i need to know without making a thread but am struggling to at this point. I am looking to purchase a SQL 12" sub. I want my bass sound like a part of my music instead of it...
  13. General Car Audio Discussion
    Ok, so i am trying to regain some of my trunk in my 96 civic and wanted to make a stealth styled box that would be flush with the floor across the entire trunk, i have two 380 rms svc 12" sony's that require just around 1 cubic foot per sub as of now they are in a ported box with a tuning...
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