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OWNER’S GUIDE
PROJECT
K2 S5800
3-WAY
FLOORSTANDING
SPEAKER SYSTEM
®
®
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TABLE OF CONTENTS 3 PREFACE 4 CHAPTER 1 – LEGACY: THE HISTORICAL DEVELOPMENT OF THE JBL PROJECT LOUDSPEAKERS 7 CHAPTER 2 – THE PROJECT K2 S5800 LOUDSPEAKER: A TRIUMPH IN ACOUSTICS AND TECHNOLOGY 10 CHAPTER 3 – UNPACKING THE PROJECT K2 S5800 SYSTEM 10 CHAPTER 4 – SELECTING CABLE 11 CHAPTER 5 – AMPLIFIER RECOMMENDATIONS 12 CHAPTER 6 – PLACEMENT AND SETUP CONSIDERATIONS 13 CHAPTER 7 – PROJECT K2 S5800 SWITCH OPERATIONS 14 CONTROLS AND CONNECTIONS 17 CHAPTER 8 – PROJECT K2 S5800 CARE AND MAINTENAN
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PREFACE Thank you for selecting a Project This guide exists for several Also, we believe that the historical K2 S5800 loudspeaker system. It purposes. As your owner’s manual, and technical information included represents the sum total of our it contains all necessary back- will add immeasurably to your total research and developmental ground information and detailed enjoyment of the loudspeaker efforts in sound reproduction over instructions for setting up your system. Project K2 S5800 is unpar
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CHAPTER 1 – LEGACY: THE HISTORICAL DEVELOPMENT OF THE JBL PROJECT LOUDSPEAKERS DEFINING THE PROJECT Of those few who seek perfection in “Periodically, a manufacturer gets CONCEPT sound reproduction, only a handful this same feeling....The science of The Hartsfield began a tradition at have actually achieved it. The price acoustics has provided us with JBL that continues today. First, engi- is always high. It is a rare occur- basic principles – available to all for neer a product as close to perf
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After Project Everest was intro- Unlike the earlier Projects K2 S9500 the dual woofers than the older duced, sound recording and play- and K2 S5500, the new K2 S5800 generations’ 2-inch diaphragm. back technology underwent a employs a 3-way, four-driver Both compression drivers are revolution of its own. With the design, incorporating an ultrahigh- mounted in a unique combination ® advent of CD, extremely demanding frequency (UHF) compression driver Bi-Radial horn structure, recorded signals ha
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In order to re-create the extremely Despite its power and sophistica- high dynamic range provided by tion, Project K2 S5800 is a marriage today’s audio sources, a new low- of tradition and technology. It frequency transducer was used, reflects the design, engineering and incorporating a ferrite magnet, 3- manufacturing expertise derived inch edge-wound voice coil, and and refined through nearly six ™ an Aquaplas -coated 12-inch cone decades of experience that are ® made of Kevlar composite, a t
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CHAPTER 2 – THE PROJECT K2 S5800 LOUDSPEAKER: A TRIUMPH IN ACOUSTICS AND TECHNOLOGY stable pinpointed stereo image. All the sound seems to come from the combination horn in the center. Music imaging is more realistic since the sound appears to emanate from one point and not from multiple points at different times. Project K2 is a constant-angle sys- tem without regard to frequency. Careful horn design enables the loudspeaker to strictly adhere to a 60° horizontal/30° vertical coverage pattern.
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Aluminum- Neodymium Alloy Cover Magnet 75mm Pure- Aluminum Diaphragm Phase Plug Aluminum Edge-Wound Voice Coil Binding- Post Input Terminal Figure 4. Cutaway view of 435Al high-frequency transducer. 435AL ALUMINUM frequency drivers, it utilizes The voice coil itself is constructed DIAPHRAGM/ forced-air cooling. The entire from edge-wound aluminum wire NEODYMIUM MAGNET magnetic structure is attached to on a massive 3-inch-diameter HIGH-FREQUENCY a die-cast aluminum-alloy frame. fiberglass former
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Edge-Wound Aluminum- Aluminum Voice Coil Alloy Cover 25mm Pure-Titanium Diaphragm Stainless- Steel Mounting Bracket Phase Plug Neodymium Magnet Gold-Plated Input Terminal Figure 5. Cutaway view of 045Ti ultrahigh-frequency transducer. 045TI PURE-TITANIUM All internal connections are of pro- The HF level control allows fine- DIAPHRAGM/ ® prietary Monster Cable , and all tuning of the high-frequency output NEODYMIUM MAGNET critical connections are gold-plated level to the acoustics of the lis- ULT
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CHAPTER 3 – UNPACKING THE PROJECT K2 S5800 SYSTEM All components of the Project K2 and carefully “walk” the loud- ™ system have been very carefully speaker in its Styrofoam end packed for maximum protection pads out of the carton. Two people against damage. may then lift the system out of the end pads. As with any superior audio product, it is advisable to keep the original The four spiked feet are pre- packing materials in case it is installed in the bottom of the necessary to transport th
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CHAPTER 5 – AMPLIFIER RECOMMENDATIONS No single type of amplifier is For bi-wiring or bi-amplification Project K2 S5800 specialist dealers specified for use with the Project applications, four identical ampli- can recommend amplification to K2 S5800 system. The speakers are fiers or two dual-channel units may best suit individual needs. In all highly efficient and will operate be used, although specialized low- cases, the left and right amplifiers adequately with an amplifier or frequency and hi
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CHAPTER 6 – PLACEMENT AND SETUP CONSIDERATIONS The Project K2 S5800 loudspeaker the floor surface before placing and Remember that these speakers system is designed to be less setting up the speakers. See Floor weigh close to 185 lb (84kg) each affected by room acoustics than Requirements. and cannot be easily moved. conventional imaging systems. If possible, the distance between However, it is very sensitive to the speakers should be the same FLOOR REQUIREMENTS overall symmetry, and proximity
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CHAPTER 7 – PROJECT K2 S5800 SWITCH OPERATIONS The K2 S5800 has two switches mounted on the network panel on the rear of the enclosure. The switches are covered by an access plate which is easily removed by unscrewing the two mounting screws. See Figure 8. The Network Mode (Bi-Amp) Switch™ (center) should be left in the Normal position except when bi-amplification with an external electronic crossover is to be employed. The necessary cross- over slopes for the K2 S5800 are very specific and b
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CONTROLS AND CONNECTIONS CONTROLS AND CONNECTIONS BI-AMP +1dB ™ £ 0dB ¡ NORMAL/ –1dB BI-WIRE HIGH FREQUENCY TRIM (–) (+) ¢ High Frequency ∞ § Low Frequency (+) (–) Figure 9. K2 S5800 controls and connections. ¡ Bias Battery: The bias battery £ HF Trim Switch: This switch ¢ Mid/High-Frequency Input supplies constant DC bias to the allows you to adjust the output of the Terminals: For bi-wire or bi-amp crossover capacitors, eliminating high-frequency transducers to com- configurations, connect the
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SHORTING BARS Each speaker wire contains two speaker system will deliver superb conductors, one of which will have performance with all methods. The K2 S5800 is shipped with short- a stripe, color markings, or a ridge. ing bars installed between its low- Each speaker is shipped with frequency and high-frequency Assign one of the two conductors external shorting bars in place terminals. Please see Figure 10. as the negative conductor and the (see Figure 10), connecting the To prepare the K2 S58
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THE WOOFER GRILLE: In all cases, the left and right amplifiers for each section must be The grilles on the Project K2 S5800 identical. Make sure that the input loudspeaker system have been sensitivity of the amplifier for each designed for maximum acoustical section is equal, or that input level transparency. For the most critical controls are provided to maintain listening, however, JBL suggests the proper low-to-mid/high bal- removing the grilles. The grilles are ance. If two identical stereo
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CHAPTER 8 – PROJECT K2 S5800 CARE AND MAINTENANCE The Project K2 S5800 loudspeaker Should you wish to clean the To access the battery, unscrew system is sprayed in a poly- woofer surfaces, use a soft, dry the battery cover at the top of urethane finish and requires no paint brush to carefully sweep the the terminal board and remove it. maintenance other than an occa- dust away. Never use a damp cloth. Always use a 9V, rectangular sional dusting with a soft, dry, lint- 006P-type battery and inst
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CHAPTER 9 – TROUBLESHOOTING AND SERVICE GUIDE IF THE SPEAKERS Project K2 S5800 loudspeakers • Switch the speaker wires SOUND QUALITATIVELY are designed to provide years of between the speaker with the DIFFERENT IN AN trouble-free service. problem and one that is working INDEFINABLE WAY: correctly. If the problem remains If you are experiencing difficul- • Test the batteries and replace in the same speaker, then the ties, we suggest you check these them if necessary. fault is in the loudspeaker.
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K2 S5800 SPECIFICATIONS POWER HANDLING: 300W (RMS)** FREQUENCY RESPONSE: 50Hz – 40kHz (–6dB) LOW-FREQUENCY EXTENSION: 28Hz (–10dB) SENSITIVITY: 95dB (2.83V/1m) NOMINAL IMPEDANCE: 8 Ohms CROSSOVER FREQUENCY: 800Hz, 10kHz LOW-FREQUENCY DRIVERS: Dual 12-inch (300mm) Kevlar-composite cone woofers (1200Fe) HIGH-FREQUENCY DRIVER: 3-Inch (75mm) aluminum compression driver (435Al) in 1-1/2-inch (38mm) throat Bi-Radial horn ULTRAHIGH-FREQUENCY DRIVER 1-Inch (25mm) pure-titanium compression driver (04
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