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Leviathan System

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  • donradick
    replied
    Re: Leviathan System

    Damn! Perfect for the man cave. Nothing like high-output.

    Leave a comment:


  • johnnyrichards
    replied
    Re: Leviathan System

    Very impressive, I have really enjoyed watching this one unfold from the beginning.

    Leave a comment:


  • philthien
    replied
    Re: Leviathan System

    My current project has been to make my system less "in-your-face."

    So we're at polar opposites.

    LOL, I like what you've got quite a bit more (than what I've done).

    Enjoy!

    P.S. What did you use for paint?

    Leave a comment:


  • greywarden
    replied
    Re: Leviathan System

    Originally posted by kenny_k View Post
    This is one beautiful build.
    Thanks man!

    Originally posted by bkeane1259 View Post
    Wow...that's really a great looking system. You have some interesting drivers for the mini-dsp to knock into submission. I'm interested to know the final XO points and slopes on the dsp.

    I know you're not keeping those subs on top of each other like that. At the very least you must have a couple modes to tame with better sub placement.

    Do your neighbors hate you yet? They will.
    Ahhh Sorry I forgot to mention you! [Edited] I would love to be able to put one of the subs elsewhere, but our living room is tiny and awkwardly shaped. I could turn the top one 90 degrees, but that's about it. I'll flatten the subs out with the MiniDSP and run Audyssey on the system as well.

    Originally posted by fastbike1 View Post
    Very nice. Definitely picked the right name
    Yes I did, these things are heavy as hell, thanks!

    Leave a comment:


  • fastbike1
    replied
    Re: Leviathan System

    Very nice. Definitely picked the right name

    Leave a comment:


  • bkeane1259
    replied
    Re: Leviathan System

    Wow...that's really a great looking system. You have some interesting drivers for the mini-dsp to knock into submission. I'm interested to know the final XO points and slopes on the dsp.

    I know you're not keeping those subs on top of each other like that. At the very least you must have a couple modes to tame with better sub placement.

    Do your neighbors hate you yet? They will.

    Leave a comment:


  • kenny_k
    replied
    Re: Leviathan System

    This is one beautiful build.

    Leave a comment:


  • greywarden
    started a topic Leviathan System

    Leviathan System

    I've been working on these for about a year. After building the deadhorse speakers which were a huge learning experience (that ended sadly). I realized one day while listening to Johnny Richards' Le Singe Sarcophage (LSS, "Monkey Coffin") speakers out by the pool, powered by my new Crown XLS1500 that A) I enjoyed lots of power and B) I didn't really care for the ultra-flat frequency response with steep crossovers that weren't really ideal (part of the learning experience). So I set out to build something big and loud and fun to listen to. It started out as a wild idea with drivers in my cart and asking around about high-efficiency, cheap tweeters. Then ended up a year-long journey that I still haven't quite finished, but I'm finished building, so I'll post some pictures and do a few updates of the fully active setup and then the eventual passive crossover design.

    The drivers are GRS 8PR-8 8" Poly cone woofers, GRS 5SBM-8 5" Sealed-back midranges, Vifa BC25SC06-04 horn-loaded tweeters and finally a pair of 12" Resonant Engineering REX subwoofers.

    The subwoofers were originally meant to accompany the deadhorse speakers and the enclosures were CNC cut by Tom (takitaj) and were absolutely awesome. I can't recommend him enough. They are high Qtc meant for a Linkwitz Transform supplied by MiniDSP processing. They are pretty darn flat, here's an in-room measurement and some pictures of the build:

    Flat Response to 15Hz

    CNC Subwoofer Box Build 1

    CNC Subwoofer Box Build 2

    CNC Subwoofer Box Build 3

    ... And they stayed like that for a few months until I had parts for the towers and started building them. They are 49" tall, 9.75" wide, and 13" deep or so and the woofers required much more space than that, so it's a fairly high Qtc alignment, which is fine, because they're big and loud and have a big booty now. I had a lot of feedback from various forum members during this period, namely Johnny Richards, Mike Zisserson, Lowell (Arlis), Rene (that Canadian guy), Scott Quick and Mike Jennens - Thanks again y'all ("you all" for yous guys way up Nawth). Here are some pictures that show how beastly they were built:

    Tower build 1 (Subwoofer enclosure cameo)

    Tower build 2 (Part Deux: moved to Jacksonville)

    Tower build 3 (filling the seams)

    Tower build 4 (router bites OMNOMNOM)

    Tower build 5 (black eyes: Alabama French Kisses)

    Tower build 6 (paint: WTF they're blue! "Mystic Black" paint)

    And they sat for a few months because of work, school, reserve duty and being broke. I eventually got some time off from the aforementioned distractions and got some work done on them. After many days of toiling like Atreyu and Artax in the Swamp of Soldering and Crimping, I buttoned them up, fingertips looking like raw beef.

    I got them all connected up with MiniDSP power and three Audiosource Amp 100 amplifiers and a Crown XLS1500 (would buy three more if I could afford it) and snapped some pictures.

    Finished 1

    Finished 2

    Finished 3

    Finished 4

    Finished 5

    This was fun and I'd do it only slightly differently, but again nonetheless, my room mate is even excited about them, haha. Tomorrow I should have a cable in that I'm missing and I'll be doing sweeps (wooOO00P!) and maybe even implementing some active filters I developed with the crappy measurements I made and Charlie Laub's ACD 2.0 (awesome stuff) along with some help from Johnny and DLR's WinPCD (more awesome stuff) to eventually figure out a passive crossover.

    Enjoy!
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