sundownz Posted June 24, 2014 Report Share Posted June 24, 2014 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. Quote - Jacob Fuller - Owner, Sundown Audio - Sundown Audio on FACEBOOK - Please DO NOT PM ME -- use my email address -- [email protected] Link to comment Share on other sites More sharing options...
Bump4life Posted June 24, 2014 Report Share Posted June 24, 2014 nice. cool idea to invert the surround. I love how compact the speaker is. Quote Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/ MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136 MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/ My SPL Log: http://www.stevemead...__fromsearch__1 BMW M340 xDrive Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4... Best Scores out of a trunk 153.0 sealed legal full tilt clamped 5524 @ 42 hz 154+ windows down, 155+ kick Link to comment Share on other sites More sharing options...
Pro7 Posted June 24, 2014 Report Share Posted June 24, 2014 Yeah the inverted surround is exactly what I am in need of right now, very nice implementation. Will these have even less mounting depth than the v2s? Quote I've gotten a blowjob and picked up my iphone behind her back to see what email notification I got from smd before Link to comment Share on other sites More sharing options...
sundownz Posted June 24, 2014 Author Report Share Posted June 24, 2014 The physical depth is basically identical to the SD-2 -- but the front depth requirement is much less. So effectively total depth requirement is less; just not physical rear depth. Quote - Jacob Fuller - Owner, Sundown Audio - Sundown Audio on FACEBOOK - Please DO NOT PM ME -- use my email address -- [email protected] Link to comment Share on other sites More sharing options...
Tuxer Posted June 24, 2014 Report Share Posted June 24, 2014 DAAAAAMN! That looks amazing, LOVE the inverted surround. Wish I would've known these were in the works before buying the SD2 only a month ago. Oh well. Great work though, can't wait to see the rest. Quote Link to comment Share on other sites More sharing options...
greezychef Posted June 28, 2014 Report Share Posted June 28, 2014 Will the rms rating of the 8 increase? Considering 4 sd-2 8's for my next project in a regular cab chevy using a t1500. Quote Link to comment Share on other sites More sharing options...
sundownz Posted June 29, 2014 Author Report Share Posted June 29, 2014 None of the changes will increase the power handling; although, many people do run amps rated for more than 300-watts on the 8s as they sit. I have a 1200D on a pair in my truck... obviously not wide open but they aren't super fragile Quote - Jacob Fuller - Owner, Sundown Audio - Sundown Audio on FACEBOOK - Please DO NOT PM ME -- use my email address -- [email protected] Link to comment Share on other sites More sharing options...
sundownz Posted September 6, 2014 Author Report Share Posted September 6, 2014 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. Quote - Jacob Fuller - Owner, Sundown Audio - Sundown Audio on FACEBOOK - Please DO NOT PM ME -- use my email address -- [email protected] Link to comment Share on other sites More sharing options...
TRON Posted September 6, 2014 Report Share Posted September 6, 2014 Love the inverted surround! They look sweet. Quote Avalanche Alpine Type S comps Alpine Type S 10'' Alpine MPR-F300 Alpine MRX-M50 Mechamn 270 XS Power d3400s Link to comment Share on other sites More sharing options...
Hotdog Posted September 6, 2014 Report Share Posted September 6, 2014 nice... and the timing might be perfect for me so 4.94" Mounting depth. That will also work perfect Quote (NEW) 2004 F-150 Build Log -->http://www.stevemeadedesigns.com/board/topic/192208-hotdogs-f-150-build-log/ 2003 Mercury Mountaineer Build Log --> http://www.stevemeadedesigns.com/board/topic/114380-hotdogs-2003-mountaineer-build-log-20-removed/page__gopid__1602379#entry1602379 2008 Equinox Build Log --> http://www.stevemead...g/#entry1475764 Link to comment Share on other sites More sharing options...
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