Harman JBL Professional VTX Series Quick Start Manual
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Harman JBL Professional VTX Series Quick Start Manual

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VTX V20 BP | Quick Start Guide

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  • Page 1 VTX V20 BP | Quick Start Guide...
  • Page 2 VTX V20 BP | Quick Start Guide GENERAL INFORMATION VTX V20 BP - Quick Start Guide Document Number: 5127586-00 Version: A - EN Distribution Date: June 30, 2020 Copyright © 2020 by HARMAN International; all rights reserved JBL PROFESSIONAL 8500 Balboa Blvd Northridge, CA 91329...

  • Page 3: Table Of Contents

    VTX V20 BP | Quick Start Guide T ABLE OF CONTENTS 1 - SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 Safety Instructions .

  • Page 4: Safety

    VTX V20 BP | Quick Start Guide 1 - SAFETY 1.1 SAFETY INSTRUCTIONS Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not expose the product to direct rain or sea spray. Clean only with a dry cloth. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.

  • Page 5: Important Safety Warning

    VTX V20 BP | Quick Start Guide 1.4 IMPORT ANT SAFETY W ARNING The information in this section has been assembled from recognized engineering data and is intended for informational purposes only. None of the information in this section should be used without first obtaining competent advice with respect to applicability to a given circumstance.

  • Page 6: Symbols

    VTX V20 BP | Quick Start Guide JBL is not responsible for the application of its products for any purpose or the misuse of this information for any purpose. Furthermore, JBL is not responsible for the abuse of its products caused by avoiding compliance with inspection and maintenance procedures or any other abuse.

  • Page 7: Mechanical Limits

    VTX V20 BP | Quick Start Guide 2 - MECHANICAL LIMITS VTX systems and accessories comply with the 2006/42/EC Machinery Directive and have been designed following the guidelines of DGUV regulation 17 (BGV C1) for a minimum safety factor of 4:1. Minimum safety factor requirements for suspended arrays are often set by local regulations.

  • Page 8: Software

    VTX V20 BP | Quick Start Guide 3 - SOFTW ARE 3.1 LINE ARRA Y CALCULA TOR 3 Line Array Calculator 3 acoustical prediction software is used for the design and mechanical validation of VTX series line array systems. Using LAC-3 is a three-step process. First, venue dimensions are defined using either X/Y/Z coordinates or the fast distance/angle method.

  • Page 9: Ground-Stacked Arrays In Lac-3

    VTX V20 BP | Quick Start Guide 3.2 GROUND-ST ACKED ARRA YS IN LAC-3 Line Array Calculator version 3.5.0 or later includes mechanical safety checks for ground-stacked arrays. The software takes into con- sideration several variables that can affect the stability of an array, including outside factors such as someone pushing on an array. Based on this data, LAC-3 generates a safety assessment factor and notifies the user of potential mechanical or stability problems.

  • Page 10: Vtx V20 Base Plate

    VTX V20 BP | Quick Start Guide 4 - VTX V20 BASE PLA TE The VTX V20 Base Plate is a universal adapter frame that enables VTX V20 arrays to be ground stacked on top of compatible subwoofers or support structures such as stages, scaffolding, or carts. Using the included M20 screw, the VTX V20 BP connects to any supported subwoofer equipped with a standard M20 pole mount adapter, such as the VTX B28 or the VTX S25.

  • Page 11: Selecting Angles

    VTX V20 BP | Quick Start Guide 4.2 SELECTING ANGLES The V20 base plate can provide from 0 to -12.5 degrees of tilt, which is supplemented by a built-in -2.5 degree offset to increase the maximum down angle of an array. This gives a V20 ground-stacked array an overall angle ranging from -15 to -2.5 degrees, which is set by the Angle Selection Wheel of the V20 cabinet connected to the base plate.

  • Page 12: Assembling Ground-Stacked Arrays

    VTX V20 BP | Quick Start Guide 5 - ASSEMBLING GROUND-ST ACKED ARRA YS 5.1 SELECTING ANGLES Before attaching the base plate, assemble and position the subwoofers to the desired location and position. Follow the instructions below to assemble a V20 ground-stacked array. STEPS: •...
  • Page 13 VTX V20 BP | Quick Start Guide STEPS: • Preset the angle of the first cabinet using the Angle Selection Wheel. • Extend and align the front two hinge bars of the base plate and lower the V20 onto the base plate. •...
  • Page 14 VTX V20 BP | Quick Start Guide STEPS: • Preset the angle of the next V20 cabinet using the Angle Selection Mechanism. • Extend and align the front hinge bars of the first V20 and stack the two cabinets together. •...

  • Page 15: Compression Vs Tension

    VTX V20 BP | Quick Start Guide 5.2 COMPRESSION VS TENSION The V20 rigging system supports two styles of deployment: compression and tension. In compression mode, arrays are assembled to hang flat (no curvature), and a lever hoist (VTX V20 LH) is used to compress the array and create the final shape. In tension mode, cabi- nets are built and pinned to their final positions as the array is assembled.

  • Page 16: Ground Stack Examples

    VTX V20 BP | Quick Start Guide 5.3 GROUND ST ACK EXAMPLES VTX V20 VTX V20 BP VTX B28 VTX B28 GND...

  • Page 17: Attaching The Base Plate Onto A Structure

    VTX V20 BP | Quick Start Guide 6 - A TT ACHING THE BASE PLA TE ONTO A STRUCTURE The base plate can be permanently attached to a structure like a stage or platform using its four through-holes. This is especially useful for permanent installations or other fixed applications where a ground-stacked V20 system is needed, but not often moved.

  • Page 18: Specifications

    VTX V20 BP | Quick Start Guide 7 - SPECIFICA TIONS 7.1 VTX V20 BP 312 mm (12.3 in) 886 mm (34.9 in) 59 mm (2.3 in) Construction: High-grade steel with anti-corrosion coating Finish: Black Powder Coat Mechanical Limits 6 x VTX V20 Maximum: 1 x VTX V20 Safe Limit:...

  • Page 19: Contact Information

    VTX V20 BP | Quick Start Guide 8 - CONT ACT INFORMA TION UNITED ST A TES OF AMERICA HARMAN Professional Solutions U .S .A . Technical Support 8500 Balboa Blvd. +1 (800) 852-5776 Northridge, CA 91329 HProTechSupportUSA@Harman.com www.jblpro.com +1 (844) 776-4899 www.jblpro.com...
  • Page 20 VTX V20 BP | Quick Start Guide...

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