JBL VTX Series User Manual
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Summary of Contents for JBL VTX Series
- Page 1 VTX A6 | User Manual...
- Page 2 VTX A6 | User Manual GENERAL INFORMATION VTX A6 - User Manual Document Number: 1000364848 Version: A-EN Distribution Date: July 22, 2022 Copyright © 2022 by HARMAN International; all rights reserved JBL PROFESSIONAL 8500 Balboa Blvd Northridge, CA 91329...
- Page 3 Thank you for purchasing JBL VTX Series products In more than 75 years of JBL innovations, the VTX Series stands apart as a milestone in the practical application of cre- ative engineering. VTX products herald the next generation in line array loudspeaker systems: a new era in performance, system integration and user friendliness.
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Page 4: Table Of Contents
VTX A6 | User Manual T ABLE OF CONTENTS 2 - SYSTEM COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 - COMPATIBLE ACCESSORIES . - Page 5 VTX A6 | User Manual 11 - CONFIGURATION EXAMPLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 11.1 Small A6 System .
- Page 6 11. Contact JBL Professional for advanced servicing issues. 12. CAUTION - DO NOT PERFORM ANY SERVICING UNLESS YOU ARE QUALIFIED TO DO SO.
- Page 7 Refer to the manufacturer’s guidelines for inspection and maintenance of all other hardware and fittings . 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 8 1.8 RESOURCES AND DOCUMENT A TION Several resources are available to VTX Series owners to illustrate proper and safe use of the equipment. Below is an overview of what is available and a brief description of each resource: USER MANUAL: This document focuses on the electromechanical aspects of the system, including amplification, wiring, speaker pre- sets, tuning, and optimization.
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Page 9: System Components
VTX A6 | User Manual 2 - SYSTEM COMPONENTS VTX A6 VTX B15 VTX B15G VTX B18 | VTX B28 Menu/Exit Fault Thermal 1 2 3 4 Power Clip Prev Bridge 1/2 Bridge 3/4 Data DRIVECORE SERIES Signal Next Ready Fault Fault Thermal... -
Page 10: Compatible Accessories
VTX A6 | User Manual 3 - COMPA TIBLE ACCESSORIES All listed accessories are compatible with the VTX A6 and, in some cases, the VTX B15. For subwoofer specific accessories refer to the B15 User Manual and Rigging Manual found at www.jblpro.com. VTX A6 MF | Mini Frame VTX A6 CM | Ceiling Mount VTX A6 SB | Suspension Bar... - Page 11 TIP: For subwoofer-specific accessories, refer to the subwoofer user and rigging manuals found at www.jblpro.com. CAUTION: Always use components and accessories specified and approved by JBL Professional . When a cart is used, use caution when moving the cart to avoid injury from tip-over .
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Page 12: Software
4.2 ARRA Y LINK Array Link is a mobile companion app that works in conjunction with LAC-3 software to assist in deployment of VTX Series sys- tems. Array Link uses a QR code system to transfer all mechani- cal array information from the main LAC-3 application to a mobile phone. -
Page 13: Overview
VTX systems. The A6 houses two custom 6.5-inch woofers and a three-inch annular diaphragm compression driver and features all of the acoustic innovations that are hallmarks of the VTX series, from the patented Radiation Boundary Integrator™ (RBI) to our proprietary Differential Drive woofers. -
Page 14: Vtx B15 And B15G
VTX A6 | User Manual 5.2 VTX B15 AND B15G The VTX B15 Compact Arrayable 15-inch Subwoofer extends the low end performance of VTX full-range sound reinforcement systems, including the VTX A6 Subcompact Dual 6.5-inch Line Array Element. The B15 is a versatile solution for production companies, touring acts, rental houses, theaters, houses of worship, or anyone who demands superior sound reinforcement when space is at a premium. -
Page 15: Connections
VTX A6 | User Manual 6 - CONNECTIONS The A6 is equipped with two Neutrik NL4 speakON connectors which are wired in parallel and can be used as the system input or as a through connection for daisy-chaining multiple cabinets The connectors are installed upside down, making the locking pin position vis- ible from under the array. -
Page 16: A6 Internal Wiring
VTX A6 | User Manual 6.1 A6 INTERNAL WIRING Pin Selection Switch Passive Network LF / HF 6.2 B15 INTERNAL WIRING FRONT NL4 REAR PANEL NL4 Pin Selection Switch... -
Page 17: Amplification & Wiring
RMS limiting, and long-term thermal protection for the transducers. I-Tech HD amplifiers also offer a user-adjustable input section for equalization, time alignment, and electronic delay steering. Standard JBL presets are available for both the Crown I-Tech 4x3500HD and I-Tech 12000HD. The most up-to-date presets are available for download from www.jblpro.com, and bundled in the latest version of Performance Manager control software. -
Page 18: Using A6 With Crown I-Tech Hd (2-Ch)
VTX A6 | User Manual Standard NL8 cables can be used to connect A6 cabinets to a Crown I-Tech 4x3500HD amplifier using an NL8-to-two-NL4 breakout cable. Using this breakout cable, up to 16 VTX A6 cabinets can be connected to a four-channel amplifier using a single NL8 cable to save cables and simplify wiring. -
Page 19: Using A6 And B15 With Crown I-Tech 4X3500Hd
A6 LMH TIP: The factory VTX preset libraries for iTech HD amplifiers are configured with the same speaker preset for all amplifier channels. Use JBL Performance Manager to freely assign speaker presets to amplifier channels and create the desired preset combination. -
Page 20: Using A6 And B28 With Crown I-Tech 4X3500Hd
7.5 CROWN V-RACK VTX Series systems are compatible with the Crown V-Rack 12000HD and Crown V-Rack 4x3500HD touring racks. The number of cab- inets supported by each amplifier and the wiring options remain the same as the Crown I-Tech examples illustrated in this document. -
Page 21: Speaker Presets
TIP: The VTX A6 presets provide a well-balanced tonal starting point for a given array size. The Array Size Compensation filter found in the JBL Line Array Control Panel (LACP) can be used to further fine-tune the tonal balance of an array for a... -
Page 22: Pole-Mounting Vtx A6
VTX A6 | User Manual 9 - POLE-MOUNTING VTX A6 The VTX A6 BP Base Plate can be mounted on top of a standard 35 mm pole when used in conjunction with the VTX PM. This pole mount accessory attaches directly to the bottom of the Base Plate using two included M10 thumb screws. For optimum performance the bottom speaker should be placed above ear height (1.9 m or 75 in), and the angles provided below are a good starting point for a flat 20 m (60 ft) deep venue. -
Page 23: Subwoofer Options
VTX A6 | User Manual 10 - SUBWOOFER OPTIONS VTX A6 presets are designed for a 2:1 minimum cabinet ratio when used with the VTX B15, and a 4:1 ratio when used with dual 18-inch subwoofers like the VTX B28. The minimum recommended ratios provide sufficient headroom for both subwoofers and full-range cabi- nets to reach maximum SPL (limiting) at the same time, while maintaining a minimum of 10 dB SUB to full-range low frequency contour. -
Page 24: Time Alignment
VTX A6 | User Manual 10.2 TIME ALIGNMENT The A6 presets provide proper system summation with companion VTX subwoofers (all models) in physically coupled configurations (stacked or suspended), and when used with corresponding subwoofer presets. This pre-alignment is done at the factory, allowing any VTX subwoofer to be used with other VTX products without needing specific subwoofer presets for each system and configuration. -
Page 25: Configuration Examples
VTX A6 | User Manual 11 - CONFIGURA TION EXAMPLES 11.1 SMALL A6 SYSTEM 11.2 MEDIUM A6 SYSTEM... -
Page 26: A8 And A6 System
VTX A6 | User Manual 11.3 A8 AND A6 SYSTEM... -
Page 27: Frequency Response
The LF response of any VTX line array system can be easily adjusted using the Array Size Compensation Filter in the JBL Line Array Control Panel. The Array Size Compensation Filter was specif- ically designed to compensate for LF/MF buildup with a single, adjustable parameter. -
Page 28: 13- System Testing
VTX A6 | User Manual 13- SYSTEM TESTING Speakers need to be periodically checked and maintained to assure long-term performance and reliability. While the VTX A6 is designed for the utmost reliability, it is important to confirm that the system is operating within specified tolerances to ensure optimal performance for years to come. -
Page 29: Using Performance Manager
VTX A6 | User Manual 13.2 USING PERFORMANCE MANAGER When in the field, the Test System Mode in the Performance Manager software can be used to test an A6 system. This test method is quick and especially useful for determining whether all speaker cables, including cabinet-to-cabinet NL jumpers, are properly function- ing. -
Page 30: Specifications
(2) JBL 2186J, 6.5 in diameter, dual 2.5 in diameter voice coil, neodymium Differential Drive ® High Frequency : (1) JBL 2433H, 3 in diameter annular diaphragm, 3 in diameter voice coil, neodymium compression driver PHYSICAL Enclosure : 12 mm 9-ply exterior grade birch plywood, black DuraFlex... -
Page 31: Acoustic Measurements
JBL continually engages in research related to product improvement. Some materials, production methods and design refinements are introduced into existing products without notice as a routine expression of that philosophy. For this reason, any current JBL product may differ in some respect from its published description, but will always equal or exceed the original design specifications unless otherwise stated. -
Page 32: 17- Contact Information
+1 (844) 776-4899 www.jblpro.com PROFESSIONAL CONT ACTS, OUTSIDE THE U.S.A.: Contact the JBL Professional distributor in your area. A complete list of JBL Professional international distributors is provided at our U.S.A. website: www.jblpro.com HARMAN Professional EMEA HARMAN Professional APAC...