The D² 20/6 has a 0.75" (20mm) inverted Diamond dome (a single piece of pure Diamond). The frequency range is extended to almost 100 kHz. The stiffness to weight ratio of the diaphragm is about five times higher than the extremely rigid Ceramic drivers. Sound propagation in Diamond material is around 18,000 m/sec, the highest of any existing material. Distortion figures are magnitudes below conventional tweeters. Substantially lower than the respected C² 12/6, which many considered to be the best tweeter in the world. The D² 20/6 is manufactured to the exact specifications of C² 12/6, and it may be used as an upgrade to existing speakers using C² 12/6. The consummate choice for any un-compromised design! Recommended frequency range: 2.8kHz- 100kHz  
 
$2,900.00 US each
 
 

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