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  1. Home Audio Subwoofers
    Hello all, Have a quick question, hopefully not too dumb :). Have a pair of Optimus 12" dvc passive subs (ported enclosures, model PRO SW-120), each with the coils driven in parallel by an Audiosource AMP-110. Using REW and the BFD, I was able to tame them into producing good smooth output...
  2. DIY Subwoofers - General Discussion
    Hi everyone, I have a question regarding the port sizing of the sub I am planning to build. My drivers are 2 10" Rockford Fosgate P210D4's that I have had laying around for awhile. These drivers have an xmax of 11 mm and my box will be tuned to 24 Hz with an internal volume of 130 L...
  3. DIY Subwoofers - General Discussion
    How do you know how much length the elbow subtracts from total vent length? Do you just draw a line along the central axis and measure it? Posted via Mobile Device
  4. DIY Subwoofers - General Discussion
    I'm getting ready to use my new CSS SDX15 christmas present in a new LLT HT sub. While my main use will be HT, about 80/20, I am a musician and have a very high apreciation of sound quality. I definitly want to go with a ported design but I'm not afraid of size, within reason, and want to take...
  5. DIY Subwoofers - General Discussion
    I've made a decision on my setup. I'm going to use a 18w x 20h x 52L enclosure (approx 10.5 cu ft) to house a Tempest-X2 15". I want to configure the driver in a downfiring position which should be ok because the box will sit on 6"-8" legs. I will take the slot port starting from the bottom-up...
  6. DIY Subwoofers - General Discussion
    Since it has cooled down a bit I have been thinking of making a ported box for one of my Audiopulse Axis 12" quad coil. I have done some tinkering in WinISD pro to see if it is feasible. I have already tried 1 in a 1.4 cu ft sealed enclosure and I really like it but these little suckers are...
  7. DIY Subwoofers - General Discussion
    Hey guys, its tax time and my pending refund check has me itching for something low and loud! I am trying to decide between a round or slotted port for this sub I will be using an RLP-18 and EP2500/BFD setup. My main question is this: Is there a noticiable difference in sound quality between...
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