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  1. Stereo Integrity DS4-18 Spec Discrepancy?

    Ported Subwoofer Build Projects
    I am a noobie here so the answer may be obvious. I am interested in building a couple of subs using the new SI DS4-18. On their web sites a couple of their specs are: Fs 17 Mms 561 g Cms 128.3 However if I input the Mms and Cms into WinISD the Fs is calculated as 18.76 Which should I...
  2. Upgrading With Two Stereo Integrity HST12's

    Sealed Subwoofer Build Projects
    This is a continuation of my modest build that you can read about over here. I chose these drivers because of their compact size requirements, expected impact and relative cost. I have an odd shaped room and wanted more output to work with than not enough, so I bought two. So here's the...
  3. MFW-15 with Turbo vs. Stereo Integrity HT18 sealed

    DIY Subwoofers - General Discussion
    I currently have two mfw-15 turbo'd subs in a small room (not sure on square footage of room, but not big), they are co-located at opposite ends of the room, I have them tuned in well and calibrated and they do sound very good. But here's the thing, I am trying to reach about 12hz usable output...
  4. Stereo Integrity HT18 Shipping Weight / Size

    DIY Subwoofers - General Discussion
    Hi Just investigating the possibility of using a freight forwarder to get a SI HT18. Does anyone know the shipping height or weight? More importantly would be the box size, as I can guess the weight based on the driver weight. Cheers Mike New Zealand
  5. Stereo Integrity 15 inch D4 subwoofer

    Classifieds - Wanted
    Someone must have one lying around when they upgraded (or are currently wanting to upgrade) to the 18 inch version.
  6. Stereo Integrity HT18 pls HELP with some questions

    Ported Subwoofer Build Projects
    Ill be short... 1. What I have: Receiver: Sony DA2400ES Sub amp: Behringer NU1000DPS Speakers: 4x B&W 601 S2 as satelites, central to come later... House:) 2. What I need to figure out: Location for sub (I'll use just one sub, maybe much later I will add more, so i have to place it wisely)...
  7. Stereo Integrity HS-24

    Sealed Subwoofer Build Projects
    Hello all, This build thread is long past due. I’ve been promising myself and others for nearly a year now that I would finally do it and, for once, life seems to have given me the time to sit down and finally get it done or, rather, to get something, anything posted in time for this year’s MS...
  8. Stereo Integrity HST 11, 12, 15 and 18

    DIY Subwoofers - General Discussion
    Just to inform everyone here that the HST 18" from SI is coming back. Should be good in small cabinets and will cost about 589 dollars each. And now there will also be an 11" , 12" and 15" brothers to the 18". :D Thanks Nick.:D Parameters for the 11" posted below from SI's FB page: HST 11" T/S...
  9. Stereo Integrity HS 24 just arrived

    Sealed Subwoofer Build Projects
    I just got this huge driver today and look forward to receiving, the almost, 15cuft box 40"wide, 30"tall , 20"deep from caraudiofactory in a few days. I will be powering it with an Inuke 3000 in bridged mode. I also have a Velodyne 18" DD Servo that I have had before, and plan to see how it...
  10. now that the Stereo Integrity 18's are gone...

    DIY Subwoofers - General Discussion
    What performs at the same level and is at the same price point? Pete
  11. Stereo Integrity HT-18-D4... IB Install... How Much "Safe" Power Per Driver ?

    Subwoofer Amps | High Pass Filters
    Per the title... I have four Stereo Integrity HT 18 D4 for IB install via two manifolds. How much RMS power can each driver "safely" handle (using both voice coils)? Estimates are okay! OR... What is an acceptable rule-of-thumb regarding "rated specs" (which are probably assuming enclosed) vs...
  12. High excursion driver 18" Driver discussion- Sundwon Audio ZV4- Stereo Integrity (vaporware) - FI SP4 HT...

    DIY Subwoofers - General Discussion
    High excursion driver discussion- Sundwon Audio ZV4- Stereo Integrity (vaporware) - FI SP4 HT... Anyone with first hand experience with one or the other, or both? I'd like to hear all opinions on the FI sp4 vs the zv4. 18" driver 3750 Peavey watts per sub
  13. Stereo Integrity Subwoofer Closeout

    Great Deals and Specials
    This is an incredible deal for subwoofer drivers with a crazy 22mm of xmax. $145 for the 15D2 or 15D4 $162 for the 18D2 or 18D2
  14. alternative for steteo integrity ht 15

    DIY Subwoofers - General Discussion
    I am searching for an alternatve driver instead of the si15 to go with some electrostatic speakers. Box is already build, sealed 3cu, plate amp is already bought, it is a dayton 540w at 4ohm. Seems that google checkout has retired and stereo integrity has no other payment options for customers...
  15. STEREO INTEGRITY SI 15 HT Slotted port build

    Ported Subwoofer Build Projects
    I would like to build a new cabinet based on my MFW15 clone for my new SI15 that I won from here. I am not too smart on WIN ISD so I would love some help. I would just like to tweak the dimensions and plans I have for the MFW clone. I have built 2 already. Unless someone thinks another...
  16. 8' Tall Stereo Integrity Tapped Horn Sub HT15D2....

    Ported Subwoofer Build Projects
    In the spirit of "more is better" and "too much is not enough" I built a tapped horn out of a Stereo Integrity HT15D2. 8' Tall ~240lbs. And capable of a ton of clean output. It took just under three sheets of plywood to build. All joints are screwed and glued with a glue cleat on every...
  17. STEREO INTEGRITY HT18D2 SEALED box build

    Sealed Subwoofer Build Projects
    I have found a test and information on a box design. on there website is this the best size ??
  18. Dayton Ultimax 15" VS Stereo Integrity HT 15" & 18" to first build ??

    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...
  19. Stereo Integrity HT Driver Giveaway - Qualification Thread

    DIY Subwoofers - General Discussion
    Stereo Integrity HT Driver Giveaway - Qualification Thread HTS and SI are teaming up to give away 3 (three) HT drivers to 3 (three) lucky members at HTS (1 driver per winner). Winner's choice of a 15" or 18" driver. Qualifications: Qualification period is from May 20, 2013 through August...
  20. Stereo Integrity HT Driver Giveaway

    DIY Subwoofers - General Discussion
    Stereo Integrity HT Driver Giveaway HTS and SI are teaming up to give away 3 (three) HT drivers to 3 (three) lucky members at HTS (1 driver per winner). Winner's choice of a 15" or 18" driver. Qualifications: Qualification period is from May 20, 2013 through August 31, 2013. A random...
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