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ht18d2

  1. DIY Subwoofers - General Discussion
    I am building a woofer setup and originally had planned on going with 1x si ht18d2 at the beginning of this year. Fast forward to the completion of the theatre and about to start the woofer project, I have had a change of heart on the single woofer setup. I have the capacity to push 2 woofers...
  2. Sealed Subwoofer Build Projects
    I have found a test and information on a box design. on there website is this the best size ??
  3. Ported Subwoofer Build Projects
    I am trying to model SI 18D2 in relatively large low tuned enclosure. I would prefer to keep it under 17cu.ft , but can probably go as large as 20cu.ft. I can get a decent curve at 17cu.ft with 12Hz tune. But I am having difficulties with the port. If WinISD models are to be believed, it...
  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...
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