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Manuel d’utilisation JBL S4800

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Summary
  • JBL S4800 - page 1

    S4 800 3- WA Y FLOORST ANDING SPEAKER SYSTEM ® OWNER’S GUIDE S4800 OM 10/11/05 1:51 PM Page 1 ...

  • JBL S4800 - page 2

    3 PREF ACE 4 CHAPTER 1 – THE S4800 LOUDSPEAKER: A TRIUMPH IN ACOUSTICS AND TECHNOLOGY 8 CHAPTER 2 – UNP ACKING THE S4800 SYSTEM 8 CHAPTER 3 – SELECTING CABLE 9 CHAPTER 4 – AMPLIFIER RECOMMENDA TIONS 10 CHAPTER 5 – PLACEMENT AND SETUP CONSIDERA TIONS 11 CHAPTER 6 – S4800 SWITCH OPERA TIONS 11 CONTROLS AND CONNECTIONS 15 CHAPTER 7 – CAR ...

  • JBL S4800 - page 3

    PREF ACE T hank 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 developme ...

  • JBL S4800 - page 4

    The new S4800 employs a 3-way , three-driver design, incorporating an ultrahigh- frequency (UHF) com- p ression driver a nd horn to repro- duce high frequencies up to 40kHz. With the UHF handling the ultrahigh frequencies, the high-frequency (HF) transducer could then be upgraded to a new design using a 3-inch diaphragm for better repro- duction of ...

  • JBL S4800 - page 5

    The following sections describe the primary features and compo- nents of the S4800 loudspeaker system. The enclosure of the S4800 is specially designed to transfer unwanted mechanical energy away from any acoustically active surfaces, virtually eliminating coloration. The massive enclosure, along with its specially designed brass modular feet, coup ...

  • JBL S4800 - page 6

    is attached to a die-cast alu- minum-alloy frame. This provides accurate, rigid support for the motor and cone mounting points, as well as doubling as a massive heatsink by providing a huge sur - face area for heat dissipation. The 1500FE has a central cooling duct that effectively cools the voice coil and reduces the likeli - hood of hot spots. By ...

  • JBL S4800 - page 7

    045TI PURE-TIT ANIUM DIAPHRAGM/ NEOD YMIUM MAGNET UL TRAHIGH-FREQUENCY COMPRESSION DRIVER See Figure 5. The 045T i utilizes the same princi- ples as the 435AL, in a smaller foot - print so that a frequency response up to 40kHz can be achieved. INTERNAL CROSSOVER NETWORK Each loudspeaker unit has two internal dividing networks, one for the LF transd ...

  • JBL S4800 - page 8

    CHAPTER 2 – UNP ACKING THE S4800 SYSTEM All components of the S4800 sys- tem have been very carefully packed for maximum protection against damage. As with any superior audio product, i t is advisable to keep the original packing materials in case it is n ecessary to transport the S4800 system. Because of the bulk and weight of this loudspeaker , ...

  • JBL S4800 - page 9

    CHAPTER 4 – AMPLIFIER RECOMMENDA TIONS No single type of amplifier is specified for use with the S4800 system. The speakers are highly efficient and will operate ade- qu at ely with an amplifier or receiver of 70–100 watts. However , the transient response a nd audio definition of a high-end system such as the S4800 will pick up all inefficienc ...

  • JBL S4800 - page 10

    C HAPTER 5 – PLACEMENT AND SETUP CONSIDERA TIONS The S4800 loudspeaker system is designed to be less affected by room acoustics than conventional imaging systems. However , it is very sensitive to overall symmetry , and proximity to walls, ceilings and c orners. I deally , any listening room should contain a combination of live sur- faces (e.g., ...

  • JBL S4800 - page 11

    The S4800 has an HF trim switch mounted on the network panel on the rear of the enclosure. The HF T rim Switch £ adjusts the high-frequency level over the range of approximately 1000Hz to 10kHz. The +1dB position gives the h ighest HF output and measures the most level. 0dB reduces the HF level by 1dB, and the – 1dB position reduces the HF level ...

  • JBL S4800 - page 12

    SHORTING STRAPS T he S4800 is shipped with shorting straps installed between its low- f requency and high-frequency terminals. Please see Figure 8. T o prepare the S4800 for bi-wire o peration, these straps must be removed by completely unscrewing each binding-post knob, removing the straps, and replacing the knob. Speaker wires can then be con- ne ...

  • JBL S4800 - page 13

    13 Mod el S 4800 HF - UHF HF - T RIM LF INP UT JBL In cor por ate d, Nor thr idg e, Cal ifo rni a U SA +1d B +0d B –1d B – – Figure 10. Connecting speaker wires using banana plugs. (Passive Connection Method) Mod el S 4800 HF - UHF HF - T RIM LF INP UT JBL In cor por ate d, Nor thr idg e, Cal ifo rni a U SA +1d B +0d B –1d B – – Figure ...

  • JBL S4800 - page 14

    I n all cases, the left and right amplifiers for each section must be identical. Make sure that the input sensitivity of the amplifier for each section is equal, or that input level controls are provided to maintain the proper low-to-mid/high bal- ance. If two identical stereo ampli- fiers are used, one may be located near each loudspeaker and driv ...

  • JBL S4800 - page 15

    CHAPTER 7 – CARE AND MAINTENANCE The S4 80 0 loudspeaker system is sprayed in a polyurethane finish and requires no maintenance o ther than an occasional dusting with a soft, dry , lint-free cotton cloth. The horns may also be wiped with a soft cloth. T reat the surface very carefully to avoid scratching the finish. T o remove fingerprints and sm ...

  • JBL S4800 - page 16

    C HAPTER 8 – TROUBLESHOOTING AND SERVICE GUIDE S4 80 0 loudspeakers are designed to provide years of trouble-free service. If you are experiencing difficul- ties, we suggest you check these p ossibilities before contacting your J BL specialist dealer for a ssistance. IF THERE IS NO SOUND FROM ANY OF THE SPEAKERS: • Check that the receiver/ampli ...

  • JBL S4800 - page 17

    17 S 4800 SPECIFICA TIONS POWER HANDLING: 300W (RMS)* FREQUENCY RESPONSE: 55Hz – 40kHz (– 6dB) LOW-FREQUENCY EXTENSION: 28Hz (–10dB) SENSITIVITY : 93dB (2.83V/1m) NOMINAL IMPEDANCE: 8 Ohms CROSSOVER FREQUENCIES: 900Hz, 8kHz LOW-FREQUENCY DRIVER: 15" (380mm) Kevlar ® -composite- cone woofer (1500FE) HIGH-FREQUENCY DRIVER: 3" (75mm) ...

  • JBL S4800 - page 18

    JBL, Harman International and Bi-Radial are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries. SonoGlass, Symmetrical Field Geometry (SFG) and Pro Sound Comes Home are trademarks of Harman International Industries, Incorporated. Monster Cable is a registered trademark of Monster Cabl ...

  • JBL S4800 - page 19

    19 N OTES: S4800 OM 10/11/05 1:51 PM Page 19 ...

  • JBL S4800 - page 20

    PRO SOUND COMES HOME ™ JBL Consumer Products 250 Crossways Park Drive Woodbury , NY 11797 USA 2 route de T ours 72500 Chateau du Loir , France 516.255.4JBL (USA only) www .jbl.com © 2005 Harman International Industries, Incorporated. All rights reserved. Part No. 361054-001 ® S4800 OM 10/11/05 1:51 PM Page 20 ...

Fabricant JBL Catégorie Speaker

Les documents que nous recevons du fabricant de l'appareilJBL S4800 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques JBL
- manuels d’utilisations S4800
- fiches produit JBL
- dépliants
- ou étiquettes-énergie JBL S4800
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation JBL S4800.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation JBL S4800, manuels d’entretien, brefs manuels ou manuels de l’utilisateur JBL S4800. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit JBL S4800.

Manuels d’utilsiation similaires

Manuel d’utilisation complet de l’appareil JBL S4800, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser JBL S4800 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs JBL S4800.

Le manuel d’utilisation complet JBL, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel JBL S4800 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières JBL S4800, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lJBL S4800 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil JBL S4800 - qui devraient nous aider dans les premières étapes lors de l'utilisation JBL S4800
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de JBL S4800
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service JBL S4800 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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