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15 and 18
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  1. DIY Subwoofers - General Discussion
    Thought I would let you guys know that we are re-vamping pricing on the SI HT 15's and 18's. We know that shipping freaks people out on big woofers so we have decided to offer the HT 18's for $239 shipped in the lower 48 states for the 18" and $200 shipped in the lower 48 states for the 15". And...
  2. Ported Subwoofer Build Projects
    I have had a Maelstrom 18" in a Sonosub that was ported and the driver died for 1 year ago and have not have any subwoofer after that. Now have the drive came after a new build. My price limit on the driver are 200 USD/each and this are what a find. This time i want to build a pair of...
  3. DIY Subwoofers - General Discussion
    With the talents of Ben Daniels (the give-a-way winner for our 18" woofer) we have hosted four dimensional drawings in PDF format of our 15" and 18" HT series subwoofers. The drawings cover the woofers with the gasket and without the gasket. The drawings are located below. All you have to do is...
1-3 of 3 Results