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JBL Project Everest DD65000 Product Commentaries And User Manual

Manual is about: JBL Project Everest DD65000/ DD67000 Loudspeaker system

Summary of Project Everest DD65000

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    Project everest dd65000 & dd67000 product commentaries and user guide.

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    Thank you for purchasing a jbl project everest loudspeaker system. Before using the system, please take the time to read through this user guide to understand this loudspeaker well and also to use it properly..

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    5 preface: ....................................................................... 6 chapter 1: legacy .............................................................................. 8 chapter 2: the project everest dd65000 and dd67000 loudspeakers – a triumph in acoustics and technology ...............

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    7 preface thank you for selecting a project everest dd65000 or dd67000 loudspeaker system. These loudspeakers represent the culmination of our research and developmental efforts in sound reproduction over the last half century. We have endeavored to create loudspeaker systems with no acoustical or e...

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    9 of those who have sought perfection in sound reproduction, only a few have actually come close. For one thing, it is a costly process. It is rare indeed when an individual or group is able to triumph over the constraints of economic and technological realities even once. At jbl, this has happened ...

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    11 10 dolby ® digital, dts ® , dvd-audio and super audio cd (sacd ™ ). Frequency responses to 50khz, as well as three-digit dynamic range and signal-to-noise ratio specifications have now become commonplace. To faithfully reproduce such robust sonic properties, the loudspeaker needed to undergo dras...

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    13 12 jbl project everest dd66000 the development of the project everest dd66000 loudspeaker system was undertaken as a celebration of jbl’s 60th anniversary and as a realization of the potential engendered by the breakthroughs discussed above. The stately character of the hartsfield, exceptional wo...

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    15 project everest a triumph in acoustics and technology 2 this chapter describes the primary features and components of the project everest dd65000 and dd67000 loudspeaker systems. The basic system configuration is what jbl historically has referred to as an “augmented two-way”. In the 1950s and 19...

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    17 16 the transducers, horns and crossover networks are housed in a visually stunning enclosure that is reminiscent of both the hartsfield and paragon systems. The specially curved baffle provides the sidewalls for the main high-frequency horn. The top and bottom horn flares are accomplished by the ...

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    19 18 the 1501al-1 employs a pure pulp straight sided cone body attached to an outer suspension made of special foamed rubber. This suspension material has the longevity and frequency-response characteristics of traditional rubber surrounds, but with a low density very close to that of foam surround...

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    21 20 jbl’s proprietary diamond-pattern surround is utilized to maintain proper control and tuning of the diaphragm’s second resonance (the surround resonance mode). The proper control and placement of this surround resonance is critical for good high- frequency shape, extension and level. These fea...

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    23 all components of the project everest system have been very carefully packed for maximum protection against damage. As with any superior audio product, it is advisable to keep the original packing materials, in case it is necessary to transport the project everest system. Because of the bulk and ...

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    25 24 9. Remove the protective wrapping. Installing spikes project everest speakers are shipped with round-tipped feet on the bottom of the cabinet. If you would like to use pinpoint spikes, remove the round-tipped feet and replace them with the supplied pinpoint spikes. If the round-tipped feet are...

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    27 speaker wire and interconnecting cables are an important component in any audio system. With a system like project everest, they assume an increased level of importance. Project everest loudspeakers are internally wired using high- quality oxygen-free copper wiring. The same care that was given t...

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    29 amplifier recommendations 5 no single type of amplifier is specified for use with project everest loudspeaker systems. The speakers are highly efficient and will operate adequately with an amplifier or receiver of 70 – 100 watts. However, the transient response and audio definition of a high-end ...

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    31 project everest loudspeaker systems are designed to be less affected by room acoustics than conventional direct-radiator systems. However, they are still sensitive to the overall symmetry of their locations relative to the listening position, and their proximity to walls, ceilings and corners. Id...

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    33 the dd65000 and dd67000 have two control panels under the cover at the center bottom of the front baffle. Shorting bars and switches on the control panels allow you to switch orientation of the system, engage bi-amplification if desired and adjust woofer and high-frequency levels. After removing ...

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    35 34 the following adjustments are made using the above procedure: system orientation as described earlier, the loudspeaker’s two low-frequency drivers operate over different frequency ranges. For proper stereo imaging, it is necessary that the midrange woofer (lf2) be in the inboard position (clos...

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    37 36 hf and lf1 level switches high-frequency level switch lf1 woofer level switch the hf level switch adjusts the attenuation applied to the 476-series high-frequency transducer by approximately ±0.4db over the range of 1,000hz to about 8,000hz. The action is accomplished by trimming the main atte...

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    39 project everest connections 8 caution: turn off all amplifiers before connecting or disconnecting project everest loudspeakers. Making connections while an amplifier is operating could seriously damage the loudspeaker system and void the warranty. All amplifiers must also be turned off before con...

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    41 40 project everest loudspeaker connector panels have two sets of terminals that provide a choice of three different connection methods: single-wire, bi-wire and bi-amp. Use the most suitable method for your audio system. Single-wire connection method the single-wire method requires one amplifier ...

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    43 42 bi-wire connection method important: when you use the bi-wire or bi-amp connection method, remove the shorting straps from the terminals (referring to the figures below) and re-tighten the knobs on the terminals. If the amplifiers are connected to the project everest loudspeakers in the bi-wir...

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    45 project everest loudspeakers require no maintenance other than occasional dusting with a soft, dry, lint-free cotton cloth. The horns may also be wiped with a soft cloth. Treat the lacquered surface very carefully to avoid scratching the finish. To remove fingerprints and smudges, apply a small a...

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    47 46 project everest system specifications dd65000 low-frequency transducer: 15" (380mm) layered paper/pulp matrix cone woofer (1501al-1) x 2 high-frequency transducer: 4" (100mm) magnesium compression driver (476mg) ultrahigh-frequency transducer: 1" (25mm) magnesium compression driver (045mg) max...

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    W thank you for purchasing a jbl project everest loudspeaker system..

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    Jbl and harman international jbl is part of the harman international, a group of companies with a common purpose: combining technology with a love of music to manufacture audio products that provide new levels of satisfaction, performance and value. To promote variety and creativity, jbl operates in...