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JBL DD67000 Everest Sapphire Blue Metallic (Last Pair)(NIB)$50,000

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JBL DD67000 Everest Sapphire Blue Metallic.
Under a program called Project Everest, JBL® engineers designed the ultimate loudspeaker system: the Project Everest DD66000. But they wanted to outdo themselves. Using the latest technologies, they created the DD67000. This three-way speaker features dual 15-inch (380-millimeter) three-layer (pure-pulp layers over and under a foam-injection core) sandwich cone woofers for articulate, authoritative bass response. Clear high and midrange frequencies come through a 4-inch (100-millimeter) pure beryllium compression driver. And a 1-inch (25-millimeter), pure-beryllium ultrahigh-frequency driver delivers sounds up to 60kHz – far above the range of human hearing.
  Dual 15″ (380mm) three-layer sandwich cone woofers for authoritative bass response
 4″ (100mm) pure-beryllium diaphragm for crystal-clear highs
1″ (25mm), pure-beryllium diaphragm for extreme highs
  Extremely smooth and wide frequency response
Proprietary Bi-Radial® horns
100 – 500 watts suggested amplifier power range
Excellent terminals and system controls
Bi-wiring capabilities
Flawless enclosure construction