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  1. IB - Infinite Baffle Subwoofer Build Projects
    Hello everyone, After years of reading about all the great projects on this forum, I've decided to jump off the deep end. I went out and bought myself an A-lens, decided to build a DIY curved screen, and, lastly, upgrade my low end bass. To that end, I've decided to try and do a 4 x IB318...
  2. Ported Subwoofer Build Projects
    I know I read this somewhere, but I just can't seem to find it. What's the general "rule of thump" on how far the round vent is to be from the driver? Thanks! Tom
  3. DIY Subwoofers - General Discussion
    I have a sonosub with a giant 8" port. The port on the top plate is directly over the back of the driver. Even with a grill cover over the port dust will fall into the port, down the tube, and directly in the vent hole. Can the vent hole be covered with a cloth of some sort? Has anybody else...
  4. DIY Subwoofers - General Discussion
    I am thinking that the vent is a little too close to a brace. Vent is 18.5"W X 2.25"H. There is 2.625" from the vent termination to the bracing. Will this be a problem? This vent could be replaced with 6" pvc pipe. The length of a 6" round vent also presents some problems. A 4" vent would be...
  5. DIY Subwoofers - General Discussion
    Little background, folks. I purchased two Exodus Audio Tempest X-2 woofers a while back. I was intending to build two 8 Cuft. sealed enclosures at the time. So I cut the parts for two enclosures. I have one up and running. It is more than enough for the room with one one of Kevin's Face Audio...
  6. Home Theater Design and Construction
    My question is not so much the cosntruction of the actual dead vent, but how does one "attach" this to a room-in-room theater? I will have 2 dead vents (one intake, one exhaust) on opposite corners of the room. The plan is for 2 inline fans on either dead vent ~350CFM each. The dead vent...
  7. DIY Subwoofers - General Discussion
    I haven't read any of Collo's documentation... but can we get a few facts? Actually a chart would be nice. What I am really after I don't expect anyone to know for sure...as you know I'll be doing a giant ported design with somewhere between a 14" to an 18" port for a single 21"+ sub. I have...
  8. Home Theater Design and Construction
    Most of the Dead Vent articles I've read seem to be exclusively focused on cooling a room. I live in an area where it drops to -40 in the winter and can occasionally get up to 30C in the summer so we need both heating and cooling. It would seem a dead vent for supply and return may not be...
  9. DIY Subwoofers - General Discussion
    I read somewhere that someone added some small vent holes on a sealed sub enclosure they where building. I'm almost done with mine and I wanted to know if this is important.My enclosure is about 3.5 cubes with a tc2000 15"?
  10. DIY Subwoofers - General Discussion
    Hi I am just learning about ports here and at http://www.subwoofer-builder.com Based on the port’s diameter, can anyone suggest a sensible ratio or guideline for the minimum radius for bends in the port? The project: I’m going to use two boxes I’ve had cut, internally 93 litres/ 3.3 cubic...
  11. DIY Subwoofers - General Discussion
    im going to be building a 16 cubic foot (4x2x2ft) enclosure for an rl-p18. tuning is going to be around 16hz. the only thing im stuck on is the vent size. what would be an optimal size. would 2"x12" be good?
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