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Reload Thread: Sundown SD-3 Line : In the Works

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    Sundown SD-3 Line : In the Works

    Sundown SD-3 Line : In the Works

    -----

    Thanks to the success of the SD-2 8" model I started developing the SD-3 line; this will replace all SD-2 models in 8/10/12" sizes (there is no 15 in this series).

    The SD-3 motor and coil design will become under-hung like the 8" model on the bigger 10 and 12" models -- I am also further optimizing the parameters of all models for sealed enclosures... even the 8" model will be tweaked a bit more. They have the same topology as the 8" -- a 1" top plate and 1/2" long coil -- but the 10/12 design uses a 2.5" diameter coil compared to the 2" on the eight.

    As far as release date... by the time prototype is done and production is done probably October or so.

    -----

    Here she is -- the first full 10" prototype :







    I am using an inverted surround to save front mount depth.

    -----

    My least favorite part of verifying prototypes... cutting them down to check measurements. Also verified that the spider was, in fact, not the correct one. It was too stiff ; in the third pic you can see the spider is two layers but it should be a single layer.

    Based on my testing and dissection I am doing another round of prototypes. Actually two versions... one set with only some minor gap modifications (with correct single layer spider), and one set also with a wider magnet in case the spider change itself doesn't get me where I want to be.

    So hopefully I will have four more prototypes soon.












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    Re: Sundown SD-3 Line : In the Works

    Would love to see a 15" in this series. Not so much because of the shallow mounting depth but because they are being optimized for sealed enclosures




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    Re: Sundown SD-3 Line : In the Works

    Quote Originally Posted by sundownz View Post
    The X-15 makes a pretty nasty sealed driver -- although, I don't think any customers have used them as such yet. F3 of 38 Hz in only 2 cubes sealed.
    Anything in the lineup that would work well IB?




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    Re: Sundown SD-3 Line : In the Works

    Looks cool. The inverted surround is definitely different



    My Silverado under construction with 8 15" Soundrive subs in a 4th order wall powered by four 7k's @ .5 ohms each http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/621466-alexs-silverado.html
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    Re: Sundown SD-3 Line : In the Works

    Quote Originally Posted by Spooney View Post
    Anything in the lineup that would work well IB?
    I would personally love to try out a Z v.4 or NS v.3 in an IB install -- IMO they would both do very well. Tons of linear throw, even more x-mech, low resonance, etc.




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    Re: Sundown SD-3 Line : In the Works

    Quote Originally Posted by sundownz View Post
    I would personally love to try out a Z v.4 or NS v.3 in an IB install -- IMO they would both do very well. Tons of linear throw, even more x-mech, low resonance, etc.
    I was going to try an IB build with ZV4's, but decided against it. Would they do better in IB than they would in a ported box? If so, I'll try it on the build after my current one



    My Silverado under construction with 8 15" Soundrive subs in a 4th order wall powered by four 7k's @ .5 ohms each http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/621466-alexs-silverado.html
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    Re: Sundown SD-3 Line : In the Works

    Quote Originally Posted by sundownz View Post
    I would personally love to try out a Z v.4 or NS v.3 in an IB install -- IMO they would both do very well. Tons of linear throw, even more x-mech, low resonance, etc.
    Well I would be willing to be the guinea pig for you . Finally took the plunge and went IB and I love it. Just want a more capable driver or drivers.




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    Re: Sundown SD-3 Line : In the Works

    Digging the inverted surround. Definitely different...




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    Re: Sundown SD-3 Line : In the Works

    Quote Originally Posted by Spooney View Post
    Well I would be willing to be the guinea pig for you . Finally took the plunge and went IB and I love it. Just want a more capable driver or drivers.
    You should totally be Jacob's guinea pig. Post some updates if you do please.



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    Build about to go down in my new 2006 Honda Crv
    Head Unit: pioneer deh 80prs, Front stage: Hertz HSK Components, Rear: Hertz dsk comps , Sub Stage: Tantric HD 10s, Sub Amp: AudioQue 3500.1, Highs Amp: AudioQue 120.4
    Electrical Consists of a Singer 200 amp alt, a Shuriken BT 80, two Crescendo Group 31s and lots of Execution Audio 1/0 Gauge.

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    Re: Sundown SD-3 Line : In the Works

    I just saw this thread and it feels like christmas morning! I can't wait to see the finished product - sundown for the sealed boys woohoo!




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    Re: Sundown SD-3 Line : In the Works

    I am quite pleased with the 10" model -- we fired one up on Friday with what I believe will be the production suspension in a test box in a vehicle (CRX was test vehicle). Tons of bottom-end and extremely clean and tight bass reproduction. Our box was about 0.6 before displacement; I want to try a bit smaller. We tested everything from rap music to Mudvayne on it []

    These are a driver with a hard limit -- something to keep in mind. As both an under-hung and relatively shallow design there isn't much excess clearance so things can bottom out. It takes quite a bit based on my test (we had an NS-1 on it as it was already installed in the test vehicle). It is very low distortion up until hard bottom.

    It looks like we will end up with different motors on each size; 8, 10, 12 all with different motors. The specs on the 10" ended up great with the 190mm OD motor, but it won't cut it for the 12" so we'll probably use the 220mm OD motor. So obviously pricing will reflect this; I am still working on the final pricing and will announce when I have it -- but I feel like they will be worth every penny for small, sealed box, high fidelity applications.




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    Re: Sundown SD-3 Line : In the Works

    Quote Originally Posted by thatguy12 View Post
    You should totally be Jacob's guinea pig. Post some updates if you do please.
    I tried an X-10 in IB. It was very accurate with most types of music, but was obviously lacking in long notes. I guess I prefer the sound of a ported box. Most of my music is boomy, not punchy. Overall, it wasn't bad. It just wasn't loud enough



    My Silverado under construction with 8 15" Soundrive subs in a 4th order wall powered by four 7k's @ .5 ohms each http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/621466-alexs-silverado.html
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    Love is when she licks your butthole and try's to kiss you and u smack her but she doesn't get mad because she know that nasty and she in the wrong
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    Quote Originally Posted by gckless View Post
    When that hooker turns out to have a cock. That's bigger than yours.
    Quote Originally Posted by Beans View Post
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    Quote Originally Posted by LongThrow View Post
    If I had $2,000, I wouldn't be running kicker comps.

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    Re: Sundown SD-3 Line : In the Works

    I would love to snatch 2 sd-3 10s up when production starts. I'm hoping they will fit underneath my backseat in my f150.





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