JBL S4800 manual Preface

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PREFACE

Thank you for selecting a JBL® S4800 loudspeaker system. It represents the sum total of our research and developmental efforts in sound reproduction over the last half-century. We have labored to create a loudspeaker system with no acoustical or elec- trical limitations whatsoever. While the S4800 loudspeaker is itself a new development, the goal behind it goes right back to the earliest days of the original James B. Lansing Sound Company.

But it is your listening pleasure that ultimately determines how success- ful we are in this endeavor. It is solely in the interest of ensuring a perfect listening experience that we ask you to faithfully follow the setup and operation procedures outlined in this owner’s guide.

This guide exists for several purposes. As your owner’s manual, it contains all necessary back- ground information and detailed instructions for setting up your S4800 loudspeaker system, includ- ing unpacking the loudspeaker; selecting the correct location, speaker wire, wiring scheme and amplification; and connecting it to its associated electronics.

This information will be found in Chapters 2 through 6. In addition, we have included a detailed description of the S4800 speaker (Chapter 1) so that you may become thoroughly acquainted with its unique design and technological features.

Although physically and materially imposing, the setup procedure of the S4800 loudspeaker system is relatively simple. We strongly urge you to read this manual thoroughly before you begin, and consult it frequently throughout the process. Considerations must be made in placing the speakers; their stature and weight make

it imperative that you become familiar with the entire setup process in advance.

Please take a moment to register your product online at www.jbl.com. Registration enables us to keep you posted on our latest advance- ments, and helps us to better understand our customers and build products that meet their needs and expectations.

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Contents S4800 Table of Contents Preface Cutaway view of S4800 speaker system S4800 Loudspeaker Triumph in Acoustics and Technology1500FE LOW Frequency Driver See FigureSee Figure Internal Crossover Network External ConnectionsEnclosures Selecting Cable Unpacking the S4800 SystemAmplifier Recommendations Floor Requirements Placement and Setup ConsiderationsModel S4800 S4800 Switch OperationsWiring Configurations Shorting StrapsAmplifier Connections Passive Connection Method BI-WIRE Connection MethodsWoofer Grille Final ChecklistCare and Maintenance If There is LOW or no Bass Output Troubleshooting and Service GuideIf There is no Sound from ANY of the Speakers If There is no Sound Coming from ONE SpeakerWeight S4800 SpecificationsJBL and Harman International Page PRO Sound Comes Home