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Содержание Project EVEREST DD66000

Страница 1: ...mmentaries and User Guide Thank you for purchasing the Project Everest DD66000 loudspeaker system Before using the system please take the time to read through this user guide to understand this produc...

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Страница 3: ...ter 3 Unpacking 19 Chapter 4 Selecting Cable 21 Chapter 5 Amplifier Recommendations 23 Chapter 6 Placement and Setup Considerations 25 Chapter 7 Switch Operations 27 Chapter 8 Connections 33 Chapter 9...

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Страница 5: ...oudspeaker selecting the correct location speaker wire wiring method and amplification and connecting it to its associated electronics This information will be found in Chapters 3 through 7 In additio...

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Страница 7: ...Hartsfield Paragon Everest DD55000 K2 S9500 7500 K2 S5500 K2 S9800 and K2 S5800 The newest is Project Everest DD66000 Although differing in performance details and physical attributes all of the Proje...

Страница 8: ...every bit of trouble necessary to build a system precisely to the design He added It isn t easy but that s the way it is done The Ranger Paragon JBL s second Project system was the first serious attem...

Страница 9: ...r design and low frequency alignment would make possible the construction of a two way system of unprecedented physical and acoustical scale Our engineers took the core components the low and high fre...

Страница 10: ...tion even at extremely high drive levels 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 potenti...

Страница 11: ...The DD66000 has a single midrange crossover at 700Hz blending one 1501AL woofer to the 476Be compression driver and horn combination The 045Be 1 UHF driver is brought in at 20kHz to cover an octave an...

Страница 12: ...fle module is a six sided shell constituting an extremely rigid and secure structure A leather covered outer baffle is then applied giving the total combined woofer baffle a thickness of 1 3 4 inch 45...

Страница 13: ...ver is very similar to the 1500AL used in the K2 S9800 system It incorporates a new high impedance voice coil to allow a pair of woofers to be used while still maintaining an 8 ohm system impedance Th...

Страница 14: ...earizes the magnetic properties of the gap to all but eliminate eddy current distortion The outer suspension is made of EPDM foamed rubber which has the longevity and frequency response characteristic...

Страница 15: ...duced power compression and more consistent spectral balance with varying input drive level 476Be High Frequency Compression Driver and Bi Radial Horn The 476Be high frequency compression driver makes...

Страница 16: ...ing the diaphragms out of sheets of beryllium foil yields greater reliability and resistance to failures due to fatigue If breakage ever does occur the diaphragm does not shatter into pieces or harmfu...

Страница 17: ...l changes have been made to the top plate and some significant improvements were made to the surround shape and clamping methodology As a result the driver has picked up nearly 5dB of increased output...

Страница 18: ...e electrical components are of the highest quality and exhibit the lowest internal loss The inductors used are air core so as not to introduce nonlinear hysteresis effects Capacitors are constructed u...

Страница 19: ...ly advise unpacking on a well protected surface such as a thick carpet or cardboard Your loudspeaker system is packed with a protective wrapping but this is omitted in drawings below I Cut the straps...

Страница 20: ...case they are hard to loosen please use an 11 16 inch 18mm wrench Four metal coasters are also provided These are to be placed between the foot and the floor should further protection of the floor co...

Страница 21: ...lity to suit a range of budgets and applications We recommend using an audiophile quality speaker wire of not less than 16 gauge for connections of up to 15 feet 5 meters as a minimum requirement Proj...

Страница 22: ...llent results Whatever wires are used be sure that the low frequency wires are as short as possible and the left and right wires for each section are the same length To ensure a secure connection we r...

Страница 23: ...an appropriate unit the selected amplifier s should have a very high current capacity and must be capable of driving a low impedance load For bi wiring or bi amplification applications four identical...

Страница 24: ...24 A separate crossover network not included should be connected directly to the low and high frequency amplifiers driving this system and is required if the system is to be bi amplified...

Страница 25: ...m the listening position to the speakers and the angles of the speakers The imaging qualities enable the speakers to be placed relatively far apart from each other but this weakens center imaging such...

Страница 26: ...annot be easily moved once they are installed Floor Requirements The floor at the location selected for setting up the Project Everest DD66000 speakers must be capable of supporting a load of 308 lb 1...

Страница 27: ...g to the setup you prefer and then put the screws back Attention As loose mounting screws on the terminals could cause bad contact make sure that they are firmly attached However if you overtighten th...

Страница 28: ...uency sections Normally all three sets of bars two LF and one HF would be moved together It is possible to operate the system with just the low frequency system or the high frequency system set to Bi...

Страница 29: ...level in the range of 60Hz to 150Hz by about 0 5dB LF2 refers to the main woofer and will affect the output level in the range of 150Hz to 700Hz The purpose of these adjustments is to allow fine tunin...

Страница 30: ...re is no current consumption in batteries Thus the battery life is the same as that for batteries with natural discharge about two years in alkaline batteries Only 006P rectangular 9V alkaline batteri...

Страница 31: ...e is applied to the center connection of the two capacitors This produces a voltage potential between the two plates within the capacitor When the two parts are taken as a whole there is no DC voltage...

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Страница 33: ...itive conductor Use these same designations for all system wiring Always connect the conductors of the speaker wire appropriately to the corresponding negative and positive terminals on all system com...

Страница 34: ...frequency wires to the upper terminals and low frequency wires to the lower terminals III Bi Amp Connection Method The bi amp connection method requires two amplifiers one for the low frequency unit a...

Страница 35: ...ist Connect and plug in all other system electronics Check all connections In case of bi amping or bi wiring make sure both shorting straps are removed Make sure the system orientation and HF LF drive...

Страница 36: ...36...

Страница 37: ...ges apply a small amount of diluted ammonia free or alcohol free neutral detergent to the cloth and gently clean the surface Never use any abrasive cleaners or chemicals to clean the enclosure If the...

Страница 38: ...38...

Страница 39: ...quired If a problem occurs make sure that all connections are properly made and clean If a problem exists in one loudspeaker reverse the speaker wires to the left and right speakers If the problem app...

Страница 40: ...40...

Страница 41: ...32Hz Nominal Impedance 8 Ohms 5 5 Ohms 85Hz 3 5 Ohms 40kHz Sensitivity 2 83V 1m 96dB Horn Directivity Horizontal x Vertical High Frequency 100 x 60 Ultrahigh Frequency 60 x 30 Crossover Frequency 150H...

Страница 42: ...ll range of benefits JBL continually engages in research related to product development and improvement Because of this new materials production methods and design refinements may be introduced into e...

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