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  1. Ported Subwoofer Build Projects
    Time to kill off some spare parts. I bought an 8" Dayton a few years ago and never got around to utilizing it. So I'm using some leftover 1/2" MDF and a 20 year old 100W plate amp I ripped out of a 12" Pioneer sub before I chucked it. This will be a little sub to put in my garage along with...
  2. Ported Subwoofer Build Projects
    So, I decided to build a second one, so I have a matching pair.. Here is my old build thread: http://www.hometheatershack.com/forums/ported-subwoofer-build-projects/43095-dual-evx-180b-17-cuft-25hz-ported.html It's around 17 cuft, with a 4" slot port tuned to 25 hz. It's not a high excursion...
  3. Ported Subwoofer Build Projects
    So... I started building this a while back and progress has been real slow - and I've only had a chance to touch it here and there. I've definitely spent more time modeling it and thinking about it - than actually working on it. I bought a pair of Electrovoice EVX-180B drivers a while back...
  4. DIY Subwoofers - General Discussion
    I currently have a ~88.5 liter sealed Shiva. I was considering porting the enclosure to add a few db, and in modeling I found that a 4" x 15" tube would tune to 25hz and basically bump my response curve 3db all the way across. The old "adire alignment" is a 3" port tuned to 20hz, but winISD...
  5. Home Audio Subwoofers
    Bladder Buster is the name of this super subwoofer from Arvus out of New Zealand. What makes it a bowel burster, you ask? If you look at that little picture, each of those six tiny drivers is actually a 12" subwoofer. That big black eye in the center is a 27" "non-linear compensator.:holycow...
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