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Reload Thread: Sundown 2012 Frames : Samples Arrived

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    Re: Sundown 2012 Frames : Samples Arrived

    Quote Originally Posted by dbjunior View Post
    Can't wait to order a couple baskets cones and spiders. Are the spacers the same. For all baskets or each basket have a different Spacer?
    This new spacer ring is uniform for 10/12/15 -- on the old models we had to make 3 different units 10/12, 15, and 18 as the frames don't have the same bottom OD.







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    Re: Sundown 2012 Frames : Samples Arrived

    people may hug ur nuts jacob but there is no denying why....




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    Icon30 Re: Sundown 2012 Frames : Samples Arrived


    I'm no expert but these baskets seems like a quite an improvement in terms of strength and overall design. Did you get a patent for that design, when
    if at any time, will these frames be part of a new Sundown 8", 10", 12" subwoofer line? Looks sturdy, do you mind if I ask if there is a difference in the
    material used to cast these new frames that you used in the former, and what material was used in previous lines to now? My guess is some sort of die
    cast metal composite.






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    Re: Sundown 2012 Frames : Samples Arrived

    Quote Originally Posted by Jaguar View Post
    I'm no expert but these baskets seems like a quite an improvement in terms of strength and overall design. Did you get a patent for that design, when
    if at any time, will these frames be part of a new Sundown 8", 10", 12" subwoofer line? Looks sturdy, do you mind if I ask if there is a difference in the
    material used to cast these new frames that you used in the former, and what material was used in previous lines to now? My guess is some sort of die
    cast metal composite.
    Yes; our SA-8 v.2 frame and all three of these are in the patent process and have been for some time now -- so they are protected. Once our 18" frame is tooled it will be patented as well.

    Almost all speaker frames that are not stamped steel are cast aluminum -- as are these. You occasionally see polymer frames or other odd-balls but usually just steel or cast aluminum =)

    These 10/12/15 frames will appear on all of our lines ABOVE the SA series; likely starting 1Q next year as it will take some time to get them in stock along with the soft parts -- unless a driver has a ton of excursion, power handling capacity, and/or serious heft to it then it's not worth it to use these due to the cost; so we'll reserve it for 3" and 4" coil drivers. As the original post indicates these have ALOT of aluminum in them -- basket production piece cost is almost directly proportional to mass so naturally :

    10" 12-spoke : 1.7 lbs
    10" Sundown : 4 lbs (2.35x material)

    12" 12-spoke : 2.3 lbs
    12" Sundown : 5 lbs (2.17x material)

    15" 12-spoke : 3.4 lbs
    15" Sundown : 7.9 lbs (2.32x material)

    I do have some ideas in the works for a "light duty" tooled frame for the SA and SD-2 lines but these were my first priority as I feel that frames are more of a limit for me on beefier drivers -- the 4 and 12-spoke work well for 1kw and less units... none-the-less I do plan to bring my own frames out for smaller drivers later on.




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    Re: Sundown 2012 Frames : Samples Arrived

    why the increase in depth?




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    Re: Sundown 2012 Frames : Samples Arrived

    Quote Originally Posted by TitoThePirate View Post
    why the increase in depth?
    As a speaker moves both up and down you must have adequate clearance for the desired level of excursion in the rearward direction behind the spider; otherwise the spider will smash into the top plate. Being that we are shooting for over 4-5" p-p on these frames (depending on the size) -- we need to have 2-2.5" or more of space behind the spider to the top plate.

    You also need adequate depth from the spider to the surround to ensure lateral coil stability (no ticking) and also to have enough cone depth so the cone doesn't rub against the spider at high levels of travel -- both 4 and 12-spoke frames are quite problematic in 10" size when using the 8" landing... and when using the lower landings you are limited by a smaller spider and less rearward clearance.

    So the summary is actually simple -- for the speaker to move more we need a taller basket




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    Re: Sundown 2012 Frames : Samples Arrived

    Quote Originally Posted by sundownz View Post
    As a speaker moves both up and down you must have adequate clearance for the desired level of excursion in the rearward direction behind the spider; otherwise the spider will smash into the top plate. Being that we are shooting for over 4-5" p-p on these frames (depending on the size) -- we need to have 2-2.5" or more of space behind the spider to the top plate.

    You also need adequate depth from the spider to the surround to ensure lateral coil stability (no ticking) and also to have enough cone depth so the cone doesn't rub against the spider at high levels of travel -- both 4 and 12-spoke frames are quite problematic in 10" size when using the 8" landing... and when using the lower landings you are limited by a smaller spider and less rearward clearance.

    So the summary is actually simple -- for the speaker to move more we need a taller basket

    Point taken. i like them anyways.




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    Re: Sundown 2012 Frames : Samples Arrived

    **** baskets




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    Re: Sundown 2012 Frames : Samples Arrived

    Got some photos of the 10" cone/surround -- the first one to be completed. Stay tuned as the other sizes are completed.







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    Re: Sundown 2012 Frames : Samples Arrived

    Ill take a pair and baskets to match



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    Re: Sundown 2012 Frames : Samples Arrived

    Holy **** that cone and surround looks crazzy




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    Re: Sundown 2012 Frames : Samples Arrived

    Whoa! Beefy. I can't wait to see a full mockup!




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    Re: Sundown 2012 Frames : Samples Arrived

    so, i'll ask again. when/can we buy individual parts? i surely could use a 12" basket for the phx2 i'm about to rebuild, and a surround for an alphasonic i'm going to upgrade. can't wait to see one of these in action.



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    Re: Sundown 2012 Frames : Samples Arrived

    Good God those are hot. ETA on 15's?



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    Re: Sundown 2012 Frames : Samples Arrived

    New frames and parts look beefy! Could you do a quick mock up on the 10" with a beefy motor? (Just for us to drool/wank to)



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