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stereo integrity siht18
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  1. DIY Speakers and Subs
    After following the DIY forum for a year now, I’ve decided to take the plunge. This was my first DIY project and I couldn’t be happier with how it turned out. When I saw the Stereo Integrity HT-18’s on sale, I knew this was my way in. I matched two of these woofers with the DiySoundGroup 4...
  2. Audio Gear
    Priced to sell. Add actual shipping from 97225. Add 3% if using credit card. I have one driver - it is a dual four ohm driver. Works perfectly. Has a small hairline crack in dust cap. Can't get the camera to pick it up it's so minute. 125.00 plus shipping and credit card processing...
  3. DIY Speakers and Subs
    Plotted 3 subs with winisd: 12" Dayton Ultimax ported box 20hz tune - yellow 15" Dayton ultimax 4cu ft sealed - red 18" SI HT 4cu ft sealed - purple The 18" has a sharp spike of output from about 30hz on up and if I go with a 6 cu ft box it looks even better. Does this chart look...
  4. DIY Speakers and Subs
    i am looking to replace my 2 CCS SD12's in ported box's. so far, i only know of these 2 : Dayton Audio UM18-22 18" Ultimax DVC Subwoofer Stereo Integrity HT 18 are there any other options in this price range ? i have 2 ep2500's and a dcx2496. thanx
  5. DIY Speakers and Subs
    Got the packages from DIY Sound Group today (thanks Erich!), started building... Not done with the crossover just yet, getting really late here so calling it a night for today.
  6. DIY Speakers and Subs
    So i have been contemplating changing the woofer out on my ED a7s-450 with the LT 1300 amp, the internal volume is about 4.9 ft 3 after subtracting the amp. the SI 18 D2 is around 200$ shipped now through the pre-order and ufokillerz is sellng his Aurasound NS-18 local to me for 400$. i haven't...
  7. DIY Speakers and Subs
    Hi, I want to buy 2 18" SI subs. I'm on a budget. I currently have an ep4000 and want to use it for these two subs.I dont know what would work best the D2 or D4s. I plan on purchasing some of flat packs from DIY Soundgroup. I am thinking two separate cabs to disperse the sound more evenly...
  8. DIY Speakers and Subs
    I built this sub a couple of weeks ago for the HT setup in my parents new house that will be completed in April. They were at my house over Christmas and watched a few movies when my dad decided that he needs a decent bit of sound for their new home. I will be making 7 other enclosures for the...
  9. DIY Speakers and Subs
    I am trying to model SI 18D2 in relatively large low tuned enclosure. I would prefer to keep the size under 17cu.ft , but can probably go as large as 20cu.ft. I can get a decent curve at 17cu.ft with 12Hz tune. But I am having difficulties with the port. It appears that at this size/tune I...
  10. DIY Speakers and Subs
    Gorilla83's subs received the nickname "The Silverbacks", so i figured i would pay homage to that and call my project "The Grizzlies" since they will have a old school rustic look to them. Maybe nicknames are earned not given. i dont know. I have decided to build these after reading through...
  11. DIY Speakers and Subs
    These look like really good subs for the money. How would (2) of the 18's compare to a FTW-21" with the same power? Here are the specs for the 18" Stereo Integrity: 18" D2 Re: 3.5 Ohms Fs: 17 Hz Qes: 0.41 Qms: 5.8 Qts: 0.38 Le: 3.2 mH Sd: 117841 mm^2 Vas: 411.9 l BL: 19.7 Mms: 416...
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