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<blockquote data-quote="sundownz" data-source="post: 7883709" data-attributes="member: 549523">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&quot; 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,&nbsp; power handling capacity, and/or serious heft to it then it&#039;s not worth it to use these due to the cost; so we&#039;ll reserve it for 3&quot; and 4&quot; 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&quot; 12-spoke : 1.7 lbs10&quot; Sundown : 4 lbs (2.35x material)12&quot; 12-spoke : 2.3 lbs12&quot; Sundown : 5 lbs (2.17x material)15&quot; 12-spoke : 3.4 lbs15&quot; Sundown : 7.9 lbs (2.32x material)I do have some ideas in the works for a &quot;light duty&quot; 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.</blockquote>

[QUOTE="sundownz, post: 7883709, member: 549523"] 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. [/QUOTE]

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