The 9900 series 10, 12, 15 & 17 inch drivers are limited production, state of the art drivers for the most demanding users. These drivers are built without compromise, without time or cost constraints in order to meet the most stringent audio demands. Versions of these woofers have been optimized for use in high-end home audio to ultra high power competition use. These drivers are equally at home pounding out bass lines on the street, setting spl records around the world or capping off the ultimate home theater system.
The basis for the 9900's ability to serve a wide variety of audio applications is the state of the art cone technology. These cones are painstakingly assembled by hand and baked under vacuum for 24 hours. This high tech sandwich cone uses twin kevlar skins, a high strength foam core and light weight aerospace epoxy. The strength to weight ratio of this sandwich technique is unsurpassed. These cones are stronger and lighter than the conventional nomex composites molded at low temperatures. Our cones share the same materials and processes used to build formula 1 cars and spacecrafts, proven technology when performance is all that matters.
The 9900 uses our most powerful motor design to date. These new motors are not only significantly stronger than any past motor, they are also 20% lighter. At DD, we have complete control over our metal production. We buy the finest steel and machine it ourselves, enabling continuous R&D. This has led to these newest motor designs incorporating more energy and more cooling in a compact and lighter package.
Finally, 9900 subs are built the same way as a balanced and blueprinted high performance engine. All tolerances are shimmed out, all surfaces machined, every production step quality controlled to ensure the highest quality assembly. These are limited production subs in every sense of the word. 9900 subs are meant for the most discriminating buyers, and for those who just like really cool stuff.
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