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JBL VTX A12 User Manual

JBL VTX A12
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A12 | User Manual

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JBL VTX A12 Specifications

General IconGeneral
Nominal Impedance8 ohms
Horizontal Coverage90 degrees
Input ConnectorsNeutrik NL4
Type3-way
LF Driver12"
MF Driver4 x 5"
HF Driver3 x 2"
Enclosure ConstructionPlywood
Coverage Pattern90° horizontal
DriversLF: 3 x 12", MF: 4 x 5", HF: 3 x 2"
Enclosure MaterialPlywood

Summary

Safety

Safety Instructions

Read, keep, heed, and follow all safety instructions provided in the manual.

General Hardware Information

Details on load-rated hardware essential for overhead suspension applications.

Important Safety Warning

Disclaimer regarding engineering data and user liability for system use and application.

Attachment to Structures

Requirements for structural attachment, mandating professional engineer approval and adherence to codes.

Inspection and Maintenance

Procedures and guidelines for regular inspection and maintenance of suspension systems and components.

Document Symbols

Explanation of symbols used in the manual for risk notification, tips, instructions, and tools.

System Components

Compatible Accessories

VTX A12 AF - Array Frame

Array Frame for suspending VTX A12 enclosures, includes an extension bar for versatile rigging.

VTX A12 AF EB - Array Frame Extension Bar

Extension Bar accessory for the VTX A12 AF, enabling side-by-side suspension configurations.

VTX A12 SB - Suspension Bar (Preliminary)

Compact suspension bar for VTX A12, used for pull-back and suspending arrays.

VTX A12 VT - Vertical Transport Cart

Vertical transport cart for 4 x VTX A12, features stacking and heavy-duty casters.

VTX A12 VT CVR - Soft Cover

Heavy-duty cover for 4 x VTX A12 enclosures with protective padding and zippers.

VTX A12 VT GND - Ground Stack Kit (Preliminary)

Outrigger system for ground stacking VTX A12, includes screw jacks for height adjustment.

VTX Delta - Delta Plate (Preliminary)

Universal delta plate accessory for VTX systems, allows horizontal adjustments.

Software

Performance Manager TM

Software application for configuring and controlling networked audio systems.

Line Array Calculator 3 TM

Simulation software for designing and predicting JBL VTX Series systems.

Array Link TM

Mobile companion app for deploying JBL VTX Series systems with LAC software.

VTX A12 Introduction

Key Messages: Performance

Highlights JBL's expertise in custom-designed transducers for optimal sound performance.

Key Messages: Innovative Rigging

Details on VTX A12 rigging and transport features for quick deployment.

Key Messages: Efficient Transport

Focuses on the lightweight array frame and accessories for effective transportation.

VTX A12 Connections

VTX A12 Internal Wiring

Details the internal wiring and NL8 pinout for the VTX A12 loudspeaker.

System Amplification

Crown I-Tech 4x3500HD

Information on using Crown I-Tech 4x3500HD amplifiers with VTX A12, including channel assignments.

Crown I-Tech 12000HD

Details on using Crown I-Tech 12000HD amplifiers with VTX A12, including channel assignments.

Crown Audio V-Rack

Compatibility of VTX A12 systems with Crown Audio V-Rack touring racks.

VTX A12 Preset Library

VTX A12 Preset Modes and Options

Overview of VTX A12 presets, including FL, FL 80, standard, and 80Hz operating modes.

Subwoofer Options

Sub / LF Preset Options

Explanation of VTX A12 full range and 80Hz presets when used with subwoofers for optimal integration.

Preset Example 1

Illustrates example preset configurations for VTX A12 with VTX G28 subwoofers.

Preset Example 2

Demonstrates example preset configurations for VTX A12 with VTX S28 and G28 subwoofers.

Time Alignment

Guidance on applying time alignment delay for system summation with companion subwoofers.

Frequency Response

Line Array Control Panel

Accessing LACP

Steps to access and utilize the Line Array Control Panel (LACP) within the JBL software.

Filter 1 - Array Size Compensation

Details on Filter 1, a global low-shelving filter for correcting array size and shape differences.

Filter 2 - Atmospheric Absorption Compensation

Explanation of Filter 2 for compensating atmospheric conditions impacting HF energy.

Filter 3 - HF Throw Distance Compensation

About Filter 3 used to correct for distance offsets and HF energy in arrays based on throw.

Filter 4 & 5 - User PEQ 1 & 2

Description of User PEQ filters for individual circuit groups for moderate gain changes above 1kHz.

Example Using LACP

Example of using LACP filters for a 12-cabinet VTX A12 array, including sample settings.

Specifications

Acoustic Measurements

Dimensions

Contact Information

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