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Manual JBL VRX900

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  • 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 ...

Manufacturer JBL Category Portable Speaker

Documents that we receive from a manufacturer of a JBL VRX900 can be divided into several groups. They are, among others:
- JBL technical drawings
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All of them are important, but the most important information from the point of view of use of the device are in the user manual JBL VRX900.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JBL VRX900 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JBL VRX900.

A complete JBL manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual JBL VRX900 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the JBL VRX900, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the JBL VRX900, that we can find in the current document
3. Tips how to use the basic functions of the device JBL VRX900 - which should help us in our first steps of using JBL VRX900
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with JBL VRX900
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of JBL VRX900 in a specific country, if it was not possible to solve the problem on our own.

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