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    • By Hellbilly429
      I've spec'd out a box using WINISD and Torres for my DC Audio Level 4 12" D1, and I want to make sure I get a second opinion on it before pulling the trigger. I plan on doing a plexi-glass panel on the front of the box to show off the motor and basket, so I want to make sure the box is right the first time around.
      Here's the sub porn pics:



      The sub box is 2.5 ft^3 Net with a 6" aeroport at 22" long tuned to 34 HZ. Plan to use a big ass port with an elbow to accomplish that length of port in this box so that both sub and port fire upwards. Dimensions are 15"hX15"dX33"w with a double baffle on the top (15"x33").
      My biggest concern is if this box is too big for this sub. This seems to be the only size I was able to get this sub to play out well in WINISD with 1500 watts being put to it at a 2ohm load. I gained over 3.5 db on the Transfer Function Magnitude chart at roughly 44hz, and managed to keep the Port Velocity below 31.88 m/s peak, peak being at roughly 32 HZ. I also managed to keep the peak excursion at 22.3mm at 25 HZ, so the sub should never bottom out on even the lowest notes.
      Does anyone see any improvements that can be made on this design? Or does anyone think this box is too big for this sub, who can manage to get proper port area for this sub with 1500 watts at 2 ohms to it without adding 1+ cubes to the box size in doing so?
      Thanks guys!
    • By Hellbilly429
      Back with a new car, and a new build. 2018 Honda Civic Sport Hatchback will be the new canvas.

      And here is the Sub! DC Audio Level 4 12 D1 with direct leads, carbon fiber cap, and candy red basket:



      So far I have designed a box in WINISD and Torres to come up with a 2.5 ft^3 Net box with a 22" long 6" aero port (Big Ass Port.) I will post up screenshots from each program to get a second look at the specs in the box building section.
      Plan is to hook this bad boy up to my Rockford Fosgate T1500bdcp at 2 ohms, providing 1500 watts at a slightly higher efficiency than the amp provides at 1 ohm.
      For the doors so far, we have some SSA Evil 6.5s tucked in with some NVX deadener and Stinger FAST Rings. Doors are definitely not complete, but it's a start.


      Evils vs stock speakers:



      This will be a slow build, but it's going to get exciting, so stay tuned!
    • By jonik1
      Hi!
      I'm rebuilding my Punto for next year events. I bought it 5 years ago so let's start from there:
      First system including Ultimate T2 12" subwoofer, Twister TW1000 "1000W" amplifier and Hertz low end 6,5" coaxials and JVC head unit.


      Then there was Pioneer DEH-P5100UB head unit, better Hertz 6,5" coaxials with Focus Acoustics Formula FX-4150 amplifier, SPL Dynamics XTR-380D2S 15" subwoofer, Focus Acoustics Formula FX-1500D 1500W amplifier and Optima 55Ah battery.


      In the next step I upgraded speakers to 6,5" Hertz Energy ESK163L.4 3-way component system, made bigger and better subwoofer box, added 20Ah BSB battery and some tuning parts.


      Next I changed Kenwood KDC-BT92SD head unit, added another set of 6,5" Hertz Energy ESK163L.4 3-way component system speakers to rear, changed FX-4150 amplifier to SPL Dynamics ICE-150.4 and 15" XTR subwoofer to Focus Acoustics Black MK5 15D2 15".


      Then I upgraded the whole system and started to work with the interior. New system:
      Optima YELLOW TOP 55Ah and 38Ah batteries
      Focus Acoustics FX-2500D 2500W amplifier
      Focus Acoustics Black MK5 15D2 15" subwoofers x2
      SPL Dynamics ICE-150.4 amplifiers x2
      Hertz ESK163L.4 component speaker systems x2
      SPL Dynamics SPL-HD25T Horn Loaded Compressor Tweeters x2
      Match PP72W-D subwoofers as midbasses at front x4


      To be continued in new post
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