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  1. Ported Subwoofer Build Projects
    Hi, I built a sealed box (~100 l] for my LMS Ultra about a year ago. I recently bought 2 TC Sounds VMP 18 passive radiators and now I'm thinking my next build. Should I use both PRs for the LMS Ultra or is one sufficient? I'm planning on buying one more LMS Ultra when one is available (they...
  2. Sealed Subwoofer Build Projects
    I am building a single TC Sounds LMS ULTRA 5400 18" in a 4 cubic foot sealed box and plan on using it in my enclosed basement theater with dimensions of approximately 12’ x 19’ with 8’ ceilings. This DIY hobby has left me with quite a few subs and no logical place to put them. Is it even worth...
  3. DIY Subwoofers - General Discussion
    I want to build a custom cabinet and make the most of my LMS-Ultra 5400 18"sub-woofer. Should I use passive radiators? and how big should I make the cabinet? Thanks
1-3 of 3 Results