Harman JBL Professional VTX Series User Manual Download

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VTX B

| User Manual

GENERAL INFORMATION

VTX B15 User Manual
Document Number: 1000364848
Version: A-EN
Distribution Date: July 25, 2022
Copyright © 2022 by HARMAN International; all rights reserved

JBL PROFESSIONAL

8500 Balboa Blvd
Northridge, CA 91329
USA

Summary of Contents for JBL Professional VTX Series

Page 1: ...VTX B15 User Manual...

Page 2: ...RAL INFORMATION VTX B15 User Manual Document Number 1000364848 Version A EN Distribution Date July 25 2022 Copyright 2022 by HARMAN International all rights reserved JBL PROFESSIONAL 8500 Balboa Blvd...

Page 3: ...ister companies VTX loudspeakers marry custom transducer design and in house manufacture breakthrough technologies and a compre hensive system approach to deliver a premium experience for all who come...

Page 4: ...lculator 3TM 11 4 2 Array LinkTM 11 4 3 Performance ManagerTM 11 5 OVERVIEW 12 6 CONNECTIONS 13 6 1 Internal Wiring 13 7 TRANSPORTATION 14 7 1 Caster Board Installation 15 8 PRESET LIBRARY 16 8 1 B15...

Page 5: ...Performance Manager 26 11 SYSTEM TESTING 27 11 1 Using a DMM Digital Multimeter 27 11 2 Using Performance Manager 28 11 3 Performance Manager Readings 28 12 SPECIFICATIONS 29 12 1 VTX B15 29 12 1 VTX...

Page 6: ...fficient to cause permanent hearing damage to performers production crew and audience members Caution should be taken to avoid prolonged exposure to SPL in excess of 90 dB 14 Read the System Rigging M...

Page 7: ...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...

Page 8: ...ce USER MANUAL This document focuses on the electromechanical aspects of the system including amplification wiring speaker pre sets tuning and optimization User manuals do not include information rega...

Page 9: ...own V Rack Menu Exit Prev Next Power Bridge 1 2 Bridge 3 4 Data DRIVECORE SERIES Fault Thermal Clip 10 20 Signal Ready 1 2 3 4 Fault Thermal Clip 10 20 Signal Ready 1 Power Bridge 1 2 Bridge 3 4 Data...

Page 10: ...Manual found at www jblpro com VTX A6 MF Mini Frame VTX A6 SB Suspension Bar VTX A6 CM Ceiling Mount VTX B15 ACC Caster Board Cover VTX B1 GND Ground Stack Accessory VTX RC500 Rotating Clamp 229 00009...

Page 11: ...ware 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 All relevant riggin...

Page 12: ...ual four inch voice coil design delivers better heat dissipation and lower power compression than conventional single coil designs The dual neodymium magnets are placed inside the coils reducing weigh...

Page 13: ...visible from under the array A channel selection switch available at the rear of the B15 selects between pins 1 A position and 2 B position of the NL4 Connector The switch is wired after the NL conne...

Page 14: ...e cover The ACC is an efficient solution for easy transportation and maximizing truck packs Because of their small footprint B15 subwoofers can be stacked on top of other equipment packed in a truck W...

Page 15: ...ckets All bolts should be torqued to 2 82 Nm 25 in lbs 7 1 CASTER BOARD INST ALLA TION Two caster board tabs at the front of the B15 are used to secure the front face ACC caster board to the B15 The t...

Page 16: ...normally employed when VTX full range cabinets are set to 80 Hz VTX B15 80 REAR The 80 Hz Rear preset was designed to be work in conjunction with the standard 80 Hz preset to drive rear facing cabine...

Page 17: ...woofers The 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 4...

Page 18: ...hannel B The NL4 connector for channel A on the amplifier must be used In this configuration as it carries both channel signals while the channel B connector does not I TECH 12000HD VTX B15 VTX B15 Ch...

Page 19: ...ech 12000HD amplifiers In this case any one of the amplifier channels can be set for cardioid using JBL Performance Manager software Up to three forward facing or three rear facing B15s can be used pe...

Page 20: ...I Tech HD amplifier using standard NL4 cables In the example below four cabinets are connected to each NL4 output Using the channel selector switch two subwoofers are assigned to each channel of the...

Page 21: ...5 cabinets to the cardioid channels In this configuration the front grill NL4 connectors are used for wiring the rear facing B15 subwoofers CH1 CH2 CH1 CH2 CH3 CH CH3 CH4 4 OUTPUTS OUTPUTS Amplifier R...

Page 22: ...IONS The directivity of a subwoofer is understood to be omnidirectional meaning that it projects energy equally in all directions In reality most subwoofers do exhibit some front to back directivity a...

Page 23: ...resets and is the reason 2 1 is the most effective ratio A 1 1 ratio supplies less rejection than 2 1 or 3 1 and should be avoided whenever possible This is true for both ground stacked and suspended...

Page 24: ...E FROM A W ALL When cardioid subwoofer stacks are placed in front of a high mass structure like a concrete wall or stage rear radiation patterns can be disrupted Allow at least 1 meter 3 3 feet of spa...

Page 25: ...g Asymmetric arrangements can be created but should always be modeled first in LAC 3 to ensure that cancellation areas in the coverage fall outside of audience areas In some cases asymmetric arrays ar...

Page 26: ...tch the view to Orientation Use the R REAR button to reverse the orientation of a cabinet in Performance Manager Switch the Device View back to Bandpass view 1 2 3 4 Once orientation has been selected...

Page 27: ...This test is appropriate only for individual enclosures not groups of cabinets With the B15 unconnected from any amplifier set a DMM to the resistance setting set the B15 pin selection switch to the A...

Page 28: ...or to the ON position and change the level to between 30 and 10 dB Levels lower than 30 dB may not be sufficient to trigger a reading Unmute the speaker to start the measurement The measured value is...

Page 29: ...42 Hz 80 Hz Preset 80 Hz Coverage Pattern Options1 Omnidirectional or Cardioid Maximum Peak Output 132 dB Preset 80 Hz System Power Rating3 1300 Watts Continuous IEC 100 hour System Type Passive Subw...

Page 30: ...Net Weight Shipping Weight 33 5 kg 74 lbs 39 5 kg 87 lbs AMPLIFICATION System Amplification Crown iTech 4x3500HD Crown iTech 9000HD Crown iTech 12000HD Number of Cabinets per Channel4 2 2 3 Required...

Page 31: ...ual 13 ACOUSTIC MEASUREMENTS 14 DIMENSIONS FREQUENCY RESPONSE VTX B15 80 VTX B15 60 20 100 1000 10000 20000 Frequency Hz 30 20 10 0 10 SPL dB TOP BOTTOM LEFT RIGHT FRONT REAR 536 mm 21 1 in 586 mm 23...

Page 32: ...6 7806 www harman com China www jblpro com support HARMAN Professional India Prestige Technology Park Jupiter 2A Block 4th Floor Marathahalli Ring Road Bangalore 560103 India 1 800 208 8880 www harman...

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