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  1. Sealed Subwoofer Build Projects
    So I'm wondering why my project failed kinda failed, I've got an subwoofer with the following specs: Qes: 0.419 Qms: 4.888 Qts: 0.386 FS: 21.7 Vas: 335L xmax: 8mm SD: 855,3 cm² (15 in) I tried a sealed box with about 140L, got a really nice response curve, simulations predicted -13db @20hz and...
  2. Forum Announcements | News
    As we head into the weekend, I wanted to take a moment to highlight an incredible thread started by Staff Writer and speaker expert, Wayne Myers. It details his build of a nifty pair of DIY speakers created by Linkwitz Lab. I’ve had the pleasure of hearing the LXMini at industry shows and they...
  3. Speaker and Subwoofer Reviews
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  4. DIY Speakers
    Linkwitz Lab LXmini Speaker Build From Kit I am working on a build from kit of the very tiny, very amazing LXmini speaker from Madisound, designed by Siegfried Linkwitz of Linkwitz Lab (the woofer unit behind it in the picture is not part of that kit or this build). The LXmini were featured...
  5. Sealed Subwoofer Build Projects
    A while back I succeeded in improving the performance of my Dayton Audio 15" Titanic kit sub by employing a Linkwitz Transform. I found that the implementation required a reduction in the box volume to keep excursion below Xmax. At that time I accomplished the task with the addition of...
  6. REW Forum
    Hi all, new here. Hoping there is easy solution to this. I have a sub that must have linkwitz transform for certain response. Because I know the particular EQ parameters needed, (which I gather from simulation software - Win ISD). I would like to synthesize the curve digitally as opposed to...
  7. Sealed Subwoofer Build Projects
    I jumped on the closeout deal for the Stereo Integrity 18", it was too good of a deal to pass up. I am going to use a D4 and an inuke NU3000DSP to implement a Linkwitz Transform (LT) to reach down low. The box is being aimed for 4cuft net, which will put it near Qtc of 0.7. Some fill will be...
  8. Sealed Subwoofer Build Projects
    I have had a Dayton Titanic III kit sub for several years and want to try to squeeze a little more low end out of it. I've tried to model it in the Excel spreadsheet program "The Woofer Box and Circuit Designer". (screenshots below) Of particular interest is the Linkwitz Transform and high...
  9. DIY Subwoofers - General Discussion
    I'm looking around for a sub design to complement my floorstanding Tony Gee LBS speakers that I made a couple of years back. I was thinking of a Linkwitz Thor as a good design that could easily get to 20Hz without breaking the bank and taking up the whole living room...
  10. DIY Subwoofers - General Discussion
    Hi all. I was originally posting about this build on diyaudio, but I was referred here since this is a dedicated home theater forum, whereas diyaudio is more geared towards music. Here's my problem. I'm building a sealed sub that will be flat to nearly 20Hz. I'll be using a Linkwitz Transform...
  11. Electronic Processing/Equalization Devices
    I know that a Linkwitz Transform draws a massive amount of power, but how does that happen if it is implemented upstream of the amp in a DCX2496? I want to make sure this will work before I implement it.
  12. Electronic Processing/Equalization Devices
    BFD & Linkwitz Transform in a DEQ2496 what i mean to ask is if i could implement BOTH BFD & the Linkwitz Transform in a SINGLE device, like the deq2496. while i have an old dsp21124, i would need something with shelving filter type functions, like a deq2496, for the linkwitz transform. i was...
  13. Electronic Processing/Equalization Devices
    HOW? BFD WITH LINKWITZ TRANSFORM? IN A DEC2496? i have dsp1124 and did the room eq setup. but: i am building 2 new sealed subs that will give extended bass IF they are properly outfitted with the linkwitz transform circuit. there are threads showing that you can implement the linkwitz transform...
  14. Sealed Subwoofer Build Projects
    I've built a subwoofer, 90litres, with 2 x 12" drivers. I measured the drivers before designing the box and modeled it as close as i could to 0.707 QTC. I've done several measurements in the box with stuffing to find the best response. This obviously changes the QTC as it makes the drivers...
  15. DIY Subwoofers - General Discussion
    I'm not sure If I've posted this thread in the right place... I have two subs that were built for me using the Adire Tumult drivers. They are sealed designs. The builder also built a single LT for them. I currently have them running in mono...I run the sub out from my pre-pro through the LT...
  16. AV Home Theater
    I found this rather interesting video on Youtube it’s covered mostly by sound Siegfried Linkwitz and still images that shows his findings/other, recorded on (13th November 2007). Length is around 90 minutes Linkwitz AES "Accurate sound reproduction" - Part 1 Linkwitz AES "Accurate sound...
  17. Sealed Subwoofer Build Projects
    It's been over a year since I started this, but the paint is finally dry on my DIY subwoofer project. It's a dipole subwoofer design with a Linkwitz alignment (spooning, not mirrored). As you can see my finishing booth setup is not ideal :) Material is MDF, first part of the finishing was...
  18. DIY Speakers
    A few of you may remember that I used to daydream about building the Linkwitz ORION system someday. Well, my opportunity is near. I visited Don Barringer last weekend who was kind enough to demo his ORION system for me. I wanted to make sure that all the high praise was true before I...
  19. DIY Subwoofers - General Discussion
    I just modeled an Audiopulse LMS-Ultra 18" sealed box with linkwitz transform, see below: The box pressure reaches 174.6 dB around 17Hz, will this damage the cone? Otherwise the response looks very good to me, except that you need approx. 6500 watts to power the beast. :scared:
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