sundownz Pro Seller
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The frame renderings themselves are not ready to be shared yet but the cone body and surrounds are ready.
Each surround has the following calculated geometric capacity :
10 -- 50mm one-way (frame allows 45)
12 -- 55mm one-way (frame allows 50)
15 -- 60mm one-way (frame allows 55)
Therefore; each one has a 5mm cushion beyond what the frame can handle in it so the surround CANNOT reach the maximum geometric limit -- as this can cause stress and eventually tear the surround. We've taken note that no open tool / readily available surround can handle what some of our newer designs can dish out already... and future designs will be even more extreme on throw so these surrounds are made to handle anything we can dish out with the new frames.
The foam material itself is also quite thick so it remains stable at such a massive size. Yes these surrounds are insanely large... but we do plan to use them to their full potential as time goes on so they are completely necessary and not just for looks. I am not aware of any surround other than the Earthquake HoleeS that has similar capacity (it's about the size of the surround on our 10" cone).
Each cone fits the same dust cap as the Z v.3 15/18 and the SA-15 -- it is a "****" cap as that design is stronger than the flatter dust caps we have used for years on the NS / older Z model subs. Also simplifies how many different dust cap we have to keep on hand.
The cone body is also quite thick and will be very similar to the material of the Z v.3 18" cones now -- but we may vary the exact material distribution slightly to get a bit more stiffness from these.
These will be used on the X Line, Z v.3 Line, and NS line woofers. We will eventually make 4" coil versions as well for future designs using the same surround just a different cone body.
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Anton Miller did this rending in 3D of the 12" cone and surround :
Each surround has the following calculated geometric capacity :
10 -- 50mm one-way (frame allows 45)
12 -- 55mm one-way (frame allows 50)
15 -- 60mm one-way (frame allows 55)
Therefore; each one has a 5mm cushion beyond what the frame can handle in it so the surround CANNOT reach the maximum geometric limit -- as this can cause stress and eventually tear the surround. We've taken note that no open tool / readily available surround can handle what some of our newer designs can dish out already... and future designs will be even more extreme on throw so these surrounds are made to handle anything we can dish out with the new frames.
The foam material itself is also quite thick so it remains stable at such a massive size. Yes these surrounds are insanely large... but we do plan to use them to their full potential as time goes on so they are completely necessary and not just for looks. I am not aware of any surround other than the Earthquake HoleeS that has similar capacity (it's about the size of the surround on our 10" cone).
Each cone fits the same dust cap as the Z v.3 15/18 and the SA-15 -- it is a "****" cap as that design is stronger than the flatter dust caps we have used for years on the NS / older Z model subs. Also simplifies how many different dust cap we have to keep on hand.
The cone body is also quite thick and will be very similar to the material of the Z v.3 18" cones now -- but we may vary the exact material distribution slightly to get a bit more stiffness from these.
These will be used on the X Line, Z v.3 Line, and NS line woofers. We will eventually make 4" coil versions as well for future designs using the same surround just a different cone body.
-----
Anton Miller did this rending in 3D of the 12" cone and surround :
