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JBL VRX932LA User Manual

Summary of VRX932LA

  • Page 1

    Vrx932la user’s guide part number: 353551-001.

  • Page 2: Contents

    Introduction to the vrx932la product specifications amplitude shading system processor tunings deploying the system jbl professional warranty and contact information 3 4 5-6 7 8-11 12 contents important safety instructions 2 1. Read these instructions. 2. Keep these instructions. 3. Heed all warning...

  • 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 multi- ple enclosures may be arrayed with no discontinuity ...

  • Page 4: Specifications

    Specifications vrx932la - 12¨, two-way, line-array loudspeaker system system type: 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 / pas...

  • Page 5: Amplitude Shading

    5 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 th...

  • Page 6

    6 bi-amplified system in a bi-amplified system, array shading is accomplished by connecting separate amplifier channels to the hf section of each vrx932la. In larger arrays, a single amplifier channel may be used for two adjacent loudspeak- ers. Array shading is then accomplished by adjusting the ga...

  • Page 7: System Processor Tunings

    7 system processor tunings the following table represents the jbl-approved tuning for the bss366. If you have a processor for which vrx932la settings have not been created, the table may be used as a starting point to set your processor. Keep in mind that various processors respond to settings in di...

  • Page 8: Deploying The  System

    8 deploying the system the vrx932la is a flexible speaker system that can be deployed in ground-supported or suspended applica- tions. The following information will help you set up your vrx932la system safely and effectively. Pole and tripod safety warnings! When using stands or poles, be sure to o...

  • Page 9

    Dual vrx932la unlike most conventional speakers, the vrx932la is designed so that a pair of speak- ers may be safely mounted onto a pole or tripod stand. For most applications, the for- ward socket of the dual angle pole socket will be used. This will tilt the lower of the two speakers at a 15° down...

  • Page 10

    10 suspension safety warnings! 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 working load limits before the array is suspend- ed. Never exceed the maximum recommended l...

  • Page 11

    11 installing the array frame suspension of the vrx932la requires the vrx932la-af array frame [warning: do not use any substitute for vrx932la-af array frame]. This device is attached to the vrx932la's integral rigging using the provided quick release pins [warning: do not use any substitute for the...

  • Page 12: Jbl Warranty and Contacts

    Jbl warranty and contacts 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: ...