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  1. DIY Subwoofers - General Discussion
    other than complex to design, difficult to construct, and maybe more difficult to find a good driver for the application.... more money, more weight, possibly a larger size... Why don't more knowledgeable and capable DIY'ers go this route? I specify knowledgeable and capable because obviously...
  2. Home Audio Speakers
    I was playing around with how my speakers are positioned in our theater room. Is there a spacific guidline as to how far away a rear ported tower speaker should be placed from a wall behind it? My speakers are Mission 765's (two 8" drivers and a silk dome tweeter) they have a frequency responce...
  3. DIY Subwoofers - General Discussion
    I just recently did a comparo of my sealed SDX15's and a XXX 18 in a sealed box that was basically an extended listening session to each with a comparison of the sound of each and the differences that I noticed. Nothing super scientific just my subjective impressions and I wrapped up by doing a...
  4. Mobile Audio
    To me, I like certain specs and choose my speakers acordingly, then I determine what box I would prefer for the location it needs to fit in. I like low Fs, high Xmax basically. I have a grasp on most of the Thiele/Small, but not a thourough knowledge on all of them. Example, I get Mms is the...
  5. DIY Subwoofers - General Discussion
    This is for my TC2000 15" driver. I have built a LLT which i loved but the wife didn't. So in a moment of weakness i switched to a small sealed box and i don't like it nearly as much. I thought I would try a mid sized ported box and hopefully be done. Has anyone had good luck around 6-8 cut...
  6. REW Forum
    I just thought this might be interesting for some people. Hopefully, I've got the graphs done properly? Sealed "eD 19Ov.2" in a 4.5 cu3 very stuffed with pollyfill. Corner of my room. And here is a ported "eD 190V.2" in a 13 cu3 tuned to 18hz, no pollyfill. Same corner in my room...
  7. DIY Subwoofers - General Discussion
    I have some 12" subwoofers that I will be placing at the back of our room. The door was installed in the wrong place when they got the wrong size the first time. :sneeky: Therefore the subwoofer/subwoofers need to go into the corner away from the doorway must be recessed into a large...
  8. DIY Subwoofers - General Discussion
    iv just baught a alpine 12" sub for my home theater, i have a good powerfull amp, can u give me some ideas of the pro's and con's of a ported housing, inc the size it would be best, thanks
  9. DIY Subwoofers - General Discussion
    This is strictly for home theater. what would you recommend? can go sealed or ported if it will fit. Too bad css does not make an sdx version in a 12". thank you
  10. DIY Subwoofers - General Discussion
    Hi, I'm wanting to build a high spec subwoofer that will go really low to go with my hifi. I'm now looking for the best possible 12" driver for SQ with a sealed or vented box of 100l MAX. Smaller is preferable. And a frequency of -3db 20-30hz. up to 60-70hz. I like the +/- 3db curves of a 12"...
  11. Home Audio Speakers
    Hello all, first time poster so go easy on me:innocent: I currently have a 5.1 setup in our living room but I'm making plans to move some/all to a dedicated media room with either 5.1 or 7.1 and a projector. My current setup includes front three Norh 9.0s and two rear Norh 4.0s which have...
  12. Ported Subwoofer Build Projects
    This one was put together at home during a vacation from work about 2 years ago. I used a Dayton PF-460 18" "pro sound" woofer in a 10 cubic foot (net) enclosure with twin down firing 4" ports and an integral 250W plate amp in the back panel, eq centered at 22 Hz (3dB) and subsonic filter at...
  13. Home Audio Subwoofers
    ok this is totally hypothetical but here it goes. If I have a 1700 cubic foot room and I have 2 styles of subs: 1 ported 1 sealed and everything being equal such as 300 watt and frequency and crossovers the same including box dimensions, which one would give the best results? as I said...
  14. DIY Subwoofers - General Discussion
    Looking to replace a driver in an older sub. I have an old Sumo Sampson Sub that originally had the JBL 2235H 15" driver in it. The dimensions of the Sub are 22" (h) x 29" (w) x 19" (d) with the actual enclosure being slightly smaller (I figure about 6.5 to 7 cf of space). It has two ports on...
  15. Home Audio Speakers
    What is the deal with some speakers not having any hole in them to allow for air to move in and out (ported) I have a set of Mission 762's and they have no hole in the cabinet. What effect does this have? Its my understanding that this tightens up the bass. How does the cabinet "breath", is this...
  16. Mobile Audio
    Well the topic pretty much sums it up. After having (2) RL-P 12" in a car for several years I have decided to put the subs inside the house. This frees up the space restrictions, and I have been enticed to build a ported box. So with all the experience most of you guys have on this board, I...
  17. DIY Subwoofers - General Discussion
    Hi everyone, I am looking for some input on a sub enclosure for my theater. I like the idea of making the front stage area an actual sub enclosure. The only issue I have is that I have to keep it relatively shallow, (20") so I can't port it from the front. I have over 8 feet of length, so I...
  18. Ported Subwoofer Build Projects
    I'm getting pretty close to finishing my box for a SS RL-P 15D2. It is a 3.5 cu ft box tuned to 24 Hz. The box is two layers of 19 mm MDF with an outer covering of premium maple 1/2" plywood. All of the edges and the area around the port are solid oak. This wood scheme matches the wood...
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