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  1. Robert_J

    Help with subwoofer box and amp to use

    Use the standard length of port that comes with the 3" PSP flared port from Parts Express. DIY Cable has them on sale - http://www.diycable.com/main/product_info.php?products_id=582 -Robert
  2. Robert_J

    Help with subwoofer box and amp to use

    You found everything except xmax (maximum linear excursion of the cone). I guessed and put it at 10mm based on the frame and magnet depth. Unibox is recommending a sealed box of 88.7L or slightly more than 3 cubic feet to give you a final Qtc of .707. Suff it will polyfil and it will push the...
  3. Robert_J

    Help with subwoofer box and amp to use

    Calibration requires a mic and a receiver with an auto calibration system. My Pioneer uses the MCACC system. But the first few times I went behind it with Video Essentials DVD and my trusty Radio Shack SPL meter. Those two items have given me the biggest improvement in my system of anything I...
  4. Robert_J

    Help with subwoofer box and amp to use

    Since Earthquake isn't posting full T/S specs, I can't tell whether or not it will work well. But to start you off with an idea, build a 1.2 cubic foot, sealed box and put the 10" sub in it. Power it with the 240w plate amp from PE. It may satisfy you for years. But if it doesn't, then...
  5. Robert_J

    Help with subwoofer box and amp to use

    What is your definition of cheap? Start with a budget. $300 is the lower limit for a DIY sub. Anything lower and you can't compete with the inexpensive retail models. How much space are you willing to give up? Remember that the larger the sub, the more efficient it is. Integration into...
  6. Robert_J

    Help with subwoofer box and amp to use

    1. I can't answer this question without the full Theile/Small parameters and running them through WinISD or Unibox. But from the look of the sub as well as the partial specs you have given, my answer is currently 'No'. The Qts is already too high for me without a box. I like my final Qtc of...
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