Both shelves have some ( typical ) surface scratches that will not be seen once the equipment is in place.
19" W by 15" D. is $500
15" W by 12" D. is $350
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Black Diamond Racing
The shelf is an isolation platform that is remarkably effective. Place a component on a Black Diamond Shelf and you will be amazed at the difference you will hear. The Black Diamond Racing Shelf is a composite of proprietary high density polymers and Carbon Fiber. Place a component on a Black Diamond Shelf and you will hear a wider soundstage, tighter bass and great depth to the sound. The Black Diamond Racing Shelf adds only a few inches to the height of a component and can work wonders for components stored in a rack.
Black Diamond carbon fiber products are said to exhibit 25 times the Q (resistance to resonance) of 8 inches Granite, along with four times the damping rate of 2-inch MDF - it actually inhibits parasitic resonant energy. The material strong, light and extremely rigid. Its tensile strength is five times greater than that of steel. Carbon fiber is used in the Stealth Bomber, Formula One racing cars, America's Cup boat hulls and a variety of high-tech sporting applications such as skis, sail-boards, and mountain bikes.