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  1. Ported box lining

    Ported Subwoofer Build Projects
    Should I put a lining on my ported box? I read it decreases upper end sensitivity. Anybody have any opinions or experiences with and without lining?. Thanks
  2. Help with sonotube finishing details (inside coating/acoustic lining)

    Ported Subwoofer Build Projects
    I am working on my 520 liter, 26" 13 hz tube for a UXL 18 (driver is still a couple weeks out). I got lucky and found a 26" tube sitting in a local warehouse, which is usually a special order item. What I didn't realize until I bought it is that it is the "Finish Free" style-- with their...
  3. Lining, Stuffing, measuring

    DIY Subwoofers - General Discussion
    For a while I've been trying to wrap my head around stuffing vs lining. My understanding is that typically a ported sub should be lined and a sealed sub stuffed. I have seen some recommend stuffing a ported sub (perhaps taking quality over spl?) -- using less than 100% fill (Kevin Haskins...
  4. Lining for dedicated room - Quick Q

    Home Audio Acoustics
    hey guys. very quick Q - I have a dedicated HT room and all that matters to me is the sound, athstetics is nothing really. I am trying to do this somewhat on the cheap and improvising as much as possible. A freind of mine recommended coveringing the room compleatly in floor carpet tiles...
  5. Attaching acoustic fiberglass lining to MDF?

    DIY Subwoofers - General Discussion
    So, I know that I don't know anything about lining already....... :bigsmile: What is the best way to attach acoustic fiberglass to MDF? Trying to finish a couple projects (will post build threads...) and having a terrible time. I've tried a couple spray adhesives, including 3M 80 which is super...
  6. Depth / amount of lining in ported subwoofer builds

    DIY Subwoofers - General Discussion
    I've seen a wide variety of lining materials used in builds. Compressed fiberglass, various foams, acoustical (rigid) fiberglass. My understanding is that it's meant to keep the backwave from causing the surfaces to resonate. Is that correct? I know that some materials are more effective than...
  7. Does lining with Egg crate foam reduce internal size

    DIY Subwoofers - General Discussion
    Hi there, When you line a sub with egg crate foam or other, does this reduce the internal volume size of a ported sub. If not no probs but if so how do you work it out. Or will actually increase it? cheers Graham
  8. Acoustic Lining + Stuffing

    DIY Subwoofers - General Discussion
    Ive received help from members in one of my other topics, but im still really confused so I hoped a different topic could help straighten me out. As a bit of background, I have a sealed dual passive rad setup in a 50L enclosure. From what I understand there are two things, sound absorbing...
  9. Need advice on lining walls with fiberglass

    DIY Subwoofers - General Discussion
    I was thinking of lining the inside of my enclosure with some fiberglass but I have a problem. Im not going to be able to get to the top of enclosure from the driver cut out (its already put together). So what would you recommend I do, I can get to the first three layers but the forth is not...