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  1. Sealed Subwoofer Build Projects
    A big thanks to everyone who posted advice in my last help thread. I ended up changing from a sonosub to a sealed cube, and it took me a couple of weeks longer than I hoped, but I finally got around to making some serious sawdust. It was -25 celcius here for a big chunk of the time, so some beer...
  2. DIY Subwoofers - General Discussion
    The dimensions I want to use for my 18d2 are 26" by 24" by 36" this gives me just over 10 cu w/out ports and bracing accounted. Can anyone model this for me as I don't have access to Winsid? I plan on using the Yung 500 to power. Thanks
  3. Sealed Subwoofer Build Projects
    My "Hyperion" SI 18D2 build First time posting here. long time reader. ill start my sub thread off with a Iphone shot of the finished product and work my way backwards. When I ran across Stereo Integrity talks on the forum I was instantly intrigued and the price was unbeatable, and remains...
  4. Sealed Subwoofer Build Projects
    I was one of the lucky winners of the SI give-away contest. It took longer than I hoped, but my build is now underway. Pre-veneered ply. Single layer all over - including the baffle (driver will be surface mounted). Dowels bracing up the wazoo. 4.2 cubes net. 8 of the dowels will span front to...
  5. DIY Subwoofers - General Discussion
    I am curious how this SI HT 18" compares vs my two Maelströms? I got them in two 550 liter (+/- 20 cu ft) tuned to 13 Hz and do 118 dB. Can this woofer do this too? Or need there be two 18" in one (double sized) enclosure to have the same SPL? No, I will not build them straight away, but I will...
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