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15d2
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  1. DIY Subwoofers - General Discussion
    Is there a sub that is similar in price and performance? I was about to order when they ran out.
  2. DIY Subwoofers - General Discussion
    I just picked up a pair of these from Stereo Integrity an I need some design advice............. I'd like to build a pair of ported boxes for them using some 1" mdf and 3" Precision ports that I have left over from an earlier build........... The front baffles will be 1-1/2" and I would like...
  3. Sealed Subwoofer Build Projects
    OK so I ordered the 2 -3cu boxes from diysound group and my 2 - si 15d2. Other parts/things I will need for the build. Am I missing anything? Amp: still deciding but probably the ep4000 - Someone mentioned the following. If you go with an EP4k, what will you be using as an XO and infrasonic...
  4. DIY Subwoofers - General Discussion
    I won the SI 15" sub should b here tomorrow i'm pumped!! But have started modeling it it in a 5 ft^3 ported enclosure tuned to 23 hz with dual 4 in ports but my port velocity seems a bit high, just over 27, any suggestions on how to lower it? or is it on the high side of acceptable...
  5. DIY Subwoofers - General Discussion
    Can anyone suggest a box type/size for Tumult 15D2 MK2? 80/20 % movies/music!
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