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Manuel d’utilisation JBL VRX900

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Summary
  • JBL VRX900 - page 1

    User ’ s Guide VRX932LA VRX932LA-WH VRX918S VRX918S-WH VRX915M VRX928LA VRX915S VRX-AF VRX-SMAF ...

  • JBL VRX900 - page 2

    CONTENTS Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with manufacturer ’s instructions. 8. Do not install near any hea ...

  • JBL VRX900 - page 3

    INTRODUCTION TO THE VRX932LA The VRX932LA is a two-way , line-array loudspeaker system intended for use in arrays of up to six enclosures. Three high-frequency drivers are mounted to the Constant Curvature waveguide which is designed so that multiple enclosures may be arrayed with no discontinuity in the vertical coverage pattern. As a result, the ...

  • JBL VRX900 - page 4

    SPECIFIC A TIONS VRX932LA - 12", T wo-W ay , Line-array Loudspeaker System System T ype: 12" two-way , line array loudspeaker system Frequency Range (-10 dB) : 57 Hz - 20 kHz Frequency Response (±3 dB) : 75 Hz - 20 kHz Coverage Pattern: 100º x 15º nominal (horizontal x vertical) Crossover Modes: Bi-amp / passive, externally switchable ...

  • JBL VRX900 - page 5

    INTRODUCTION TO THE VRX928LA The VRX928LA – the smaller version of the VRX932LA is a light-weight, compact, 8", two-way line-array speaker system designed for use in arrays of up to six units. VRX928LA is the ideal choice when line-array performance is needed but the venue size doesn't call for the very long-throw characteristics of lar ...

  • JBL VRX900 - page 6

    SPECIFIC A TIONS VRX928LA - 8", T wo-way , Llne-array Speaker System T ype: 8" two way , line array loudspeaker system Frequency Range (-10 dB): 70Hz -20kHz Frequency Response (±3 dB): 87Hz - 19kHz Coverage Pattern: 100º x 15º nominal (horizontal x vertical), single unit Crossover Modes: Bi-amp / passive, externally switch-able Crossov ...

  • JBL VRX900 - page 7

    546 mm (21.5 in) 464 mm (18.25 in) 298 mm (11.75 in) 38 mm (1.5 in) 457 mm (18.0 in) 235 mm (9.25 in) 489 mm (19.25 in) 508 mm (20.0 in) 56 mm (2.2 in) 45 mm (1.8 in) 51 mm (2.0 in) 406 mm (16.0 in) 610 mm (24.0 in) 8 mm (0.3 in) 508 mm (20.0 in) 597 mm (23.5 in) 750 mm (29.5 in) 254 mm (10.0 in) 44 mm (1.75 in) 60 mm (2.37 in) 79 mm (3.13 in) 7 IN ...

  • JBL VRX900 - page 8

    SPECIFIC A TIONS VRX918S - 18" Subwoofer System T ype: Frequency Range (-10 dB) : Frequency Response (±3 dB) : Input Connection Modes: Recommended Crossover: Power Rating (Continuous / Program / Peak): Maximum SPL : Sensitivity (1w @ 1m): LF Driver: Nominal Impedance: Active T unings: Mounting : Suspension / Mounting: Enclosure: Finish : Gril ...

  • JBL VRX900 - page 9

    INTRODUCTION TO THE VRX915S The VRX915S a very compact single 15” direct radiating subwoofer is intended as companion subwoofer for the VRX928LA. The suspension system is designed for full compatibility with the VRX928LA Line Array System and with the VRX-SMAF array frame. The M20 mounting plate allows for utilization of the adjustable pole mount ...

  • JBL VRX900 - page 10

    SPECIFIC A TIONS VRX915S - 15", Bass-reflex Subwoofer System T ype: 15” bass reflex subwoofer Frequency Range (-10 dB): 35Hz -250Hz Frequency Response (±3 dB): 40Hz - 250Hz Recommended Hi-Pass Filter: HP: Butterworth 24 dB/octave, 45 Hz LP: Linkwitz-Riley 48 dB/octave, 80 – 120Hz Power Rating 1 : (Continuous / Program / Peak) 800 W / 1600 ...

  • JBL VRX900 - page 11

    11 INTRODUCTION TO THE VRX915M The VRX915M is a dedicated, compact and lightweight, 15", two way touring-class floor monitor , with only a 375 mm (14.75 in) stage height and JBL ’s latest neodymium-magnet transducers. A 380 mm (15 in) 2265H patented Dif ferential Drive ® woofer handles 800 watts (continuous) and delivers accurate and precis ...

  • JBL VRX900 - page 12

    SPECIFIC A TIONS VRX915M - 15” T wo-Way Stage Monitor System T ype: 15" T wo-way Stage Monitor Frequency Range (-10 dB): 60 Hz - 20 kHz Frequency Response (±3 dB): 70 Hz - 20 kHz Coverage Pattern: 50° x 90° nominal Crossover Modes: Passive / Bi-amp Crossover Frequency: 1.1 kHz Power Rating: Passive Full-Range 800 W / 1600 W / 3200 W , 2 h ...

  • JBL VRX900 - page 13

    13 INTRODUCTION TO THE VRX-AF The VRX-AF is an array frame designed to be used for suspension of the VRX932LA and VRX918S loudspeaker systems. The optional array frame kit includes the following items: • 1 x center frame • 2 x side arms • 4 x quick release pins • 2 x drop levers • 2 x 3/8 ˝ shackles Working Load Limit The VRX-AF , VRX932 ...

  • JBL VRX900 - page 14

    INTRODUCTION TO THE VRX-SMAF The VRX-SMAF is an array frame designed to be used for suspension of the VRX928LA and VRX915S loudspeaker systems. The optional array frame kit includes the following items: • 1 x frame • 2 x quick release pins • 2 x drop levers • 2 x 3/8 " shackles Working Load Limit The working load limit depends upon the ...

  • JBL VRX900 - page 15

    AMPLITUDE SHADING Amplitude Shading Amplitude shading is a technique that allows the coverage pattern of a loudspeaker array to be shaped by adjusting the relative acoustic output of some of the devices in the array . Most often, array shading involves only the mid and high-frequency sections of the array . In a simple system consisting of three VR ...

  • JBL VRX900 - page 16

    Bi-Amplified System In a bi-amplified system, array shading is accomplished by connecting separate amplifier channels to the HF section of each VRX932LA/VRX928LA. In larger arrays, a single amplifier channel may be used for two adjacent loudspeakers. Array shading is then accomplished by adjusting the gain of the HF amplifier channels. For extremel ...

  • JBL VRX900 - page 17

    DEPLO YING THE SY STEM The VRX932LA/VRX928LA are flexible speaker systems that can be deployed in ground-supported or suspended applications. The following information will help you set up your VRX932LA/VRX928LA system safely and effectively . POLE AND TRIPOD SAFETY WARNINGS! When using stands or poles, be sure to observe the following precautions: ...

  • JBL VRX900 - page 18

    Dual VRX932LA/VRX928LA Unlike most conventional speakers, the VRX932LA/VRX928LA is designed so that a pair of speakers may be safely mounted onto a pole or tripod stand. For most applications, the forward socket of the dual angle pole socket will be used. This will tilt the lower of the two speakers at a 15° down-angle (providing coverage of the n ...

  • JBL VRX900 - page 19

    Correct use of all rigging hardware is required for secure system suspension. Careful calculations should always be performed to ensure that all components are used within their Maximum Load Limit before the array is suspended. Never exceed the maximum recommended load ratings. Prior to suspending the system, an expert, trained and experienced in f ...

  • JBL VRX900 - page 20

    Maximum Array Size There are three variations of the VRX array frame. The VRX-AF supersedes the VRX932AF-LA. The VRX-SMAF is solely intended for use with the VRX928LA and VRX915S. Before suspending a VRX array , determine which version of the array frame you have and consult the table below to determine the maximum number of speakers that may be sa ...

  • JBL VRX900 - page 21

    Ground-Stacked, Upward Firing Arrays Applications such as covering stadium bleachers from the playing field may be addressed by installing the VRX932LA-AF/ VRX-AF/ VRX-SMAF array frame to the bottom of the array . Up to four VRX932LA/VRX928LA loudspeakers may be locked together and ground stacked using the VRX array frame kit, as shown. [W arning: ...

  • JBL VRX900 - page 22

    Please visit www .jblpro.com/tunings for latest versions of our recommended system tunings or call customer service at T oll Free 1-800-852-5776. SY STEM PROCESSOR TUNINGS 22 NO TES ...

  • JBL VRX900 - page 23

    JBL W ARRANTY AND CONT ACTS Mailing Address: JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 USA Shipping Address: JBL Professional 8370 Balboa Blvd., Dock D Northridge, CA 91329 USA (Do not return product to this address without first obtaining prior authorization from JBL) Customer Service: Monday through Friday 8:00am - 5:00pm Pacific St ...

  • JBL VRX900 - page 24

    JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 USA Part Number: 353551-005 03/2007 ...

Fabricant JBL Catégorie Portable Speaker

Les documents que nous recevons du fabricant de l'appareilJBL VRX900 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques JBL
- manuels d’utilisations VRX900
- fiches produit JBL
- dépliants
- ou étiquettes-énergie JBL VRX900
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 VRX900.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation JBL VRX900, manuels d’entretien, brefs manuels ou manuels de l’utilisateur JBL VRX900. 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 VRX900.

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Manuel d’utilisation complet de l’appareil JBL VRX900, 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 VRX900 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs JBL VRX900.

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 VRX900 - 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 VRX900, 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 VRX900 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil JBL VRX900 - qui devraient nous aider dans les premières étapes lors de l'utilisation JBL VRX900
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de JBL VRX900
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service JBL VRX900 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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