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A12

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Summary of Contents for VTX A12

Page 1: ...A12 User Manual...

Page 2: ...eneral Information A12 User Manual Document Number 1000297494 Version A EN Distribution Date 04 14 2017 Copyright 2017 by HARMAN International all rights reserved JBL Professional 8500 Balboa Blvd Nor...

Page 3: ...gineering support the human factor and technical tools that are key to the proper specification and configuration of the VTX system in any venue anywhere in the world The VTX Series is a result of JBL...

Page 4: ...nsport Cart 12 3 5 VTX A12 VT CVR Soft Cover 12 3 6 VTX A12 VT GND Ground Stack Kit Preliminary 12 3 7 VTX Delta Delta Plate Preliminary 12 4 Software 13 4 1 Performance Manager TM 13 4 2 Line Array C...

Page 5: ...23 11 2 Filter 1 Array Size Compensation 24 11 3 Filter 2 Atmospheric Absorption Compensation 24 11 4 Filter 3 HF Throw Distance Compensation 24 11 5 Filter 4 5 User PEQ 1 2 24 11 6 Example using LACP...

Page 6: ...vicing is required when the apparatus has been damaged in any way such as liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not...

Page 7: ...material dimensions specifications and or local regulations Users in oth er countries should consult with appropriate engineering and regulatory authorities for specific guidelines Correct use of all...

Page 8: ...ecrease the strength of the loudspeaker enclosure Accessory suspension hardware provided with or for VTX systems must be inspected for fatigue at least annually or as required by local ordinance The i...

Page 9: ...ent In struction marked with this symbol must be strictly followed TIP This symbol gives notice of helpful relevant information about the topic INSTRUCTIONS This symbol gives notice of instructions th...

Page 10: ...own I Tech 12000HD Crown Audio 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...

Page 11: ...upport for up to 24 x VTX A12 array geometry dependent 3 x CM 5 8 Shackles included Lightweight design 3 COMPATIBLE ACCESSORIES For more information on the accessories refer to the accessory specifica...

Page 12: ...or adjusting height Zero gravity angle set hinge system Range 15 to 5 degrees Connects to VTX A12 VT 3 7 VTX DELTA DELTA PLATE PRELIMINARY Universal delta plate accessory for VTX systems Support for u...

Page 13: ...e Array systems as well as flown and ground stacked subwoofer arrays Subwoofer delay values can be generated for electronic delay steering EDS using the built in coverage calculator Beyond the acousti...

Page 14: ...sional is the world s leading manufacturer of loudspeaker systems using custom designed and built transducers for optimal performance VTX A12 s new high frequency HF section features three unique ly d...

Page 15: ...e A12 NL8 connectors are installed upside down so that the NL8 locking pin position can be seen from under the array VTX A12 internal NL8 pinout NL8 Pin Pin 1 Pin 2 Pin 3 Pin 4 Transducers A12 LF Left...

Page 16: ...tion and circuit adjustments Standard JBL VTX A12 presets are available for both the Crown I Tech 4x3500HD and Crown I Tech 12000HD The most up to date presets are available for download from the www...

Page 17: ...n I Tech 12000HD JBL VTX A12 Amplifier 2 Channels Channel 1 A12 LF Channel 2 A12 LF 7 3 CROWN AUDIO V RACK VTX A12 systems are compatible with the Crown Audio V Rack 12000HD and Crown Audio V Rack 4x3...

Page 18: ...such as distributed front fills With this preset the acoustical low frequency re sponse of the system is set to 80Hz and used when subwoofers are available VTX A12 This is the standard VTX A12 preset...

Page 19: ...frequency response of the system down to 80Hz The VTX A12 full range preset is used when the system is operated without subwoofers or when the application calls for extended LF response from the main...

Page 20: ...80 VTX A12 80 VTX S28 80 VTX S28 80 VTX A12 FL 80 VTX G28 80 VTX G28 80 VTX G28 80 VTX G28 80 9 2 PRESET EXAMPLE 1 VTX A12 FL 80 VTX A12 FL 80 VTX A12 FL 80 VTX A12 or VTX A12 80 VTX A12 or VTX A12 8...

Page 21: ...added as necessary to account for physical path length differences between suspended A12 arrays and ground stacked G28 or S28 subwoofers If no acoustic measurement system is available delay values ca...

Page 22: ...boxes array curvature box to box angles and the listening distance JBL factory presets are designed to create a well balanced tonal starting point for given array conditions For example the standard V...

Page 23: ...circuit groups click on the LACP button under the DSP column Global filters like Filter 1 and 2 are automatically applied to all circuit groups in the array The JBL Line Array Control Panel LACP was...

Page 24: ...1 2 FILTER 1 ARRAY SIZE COMPENSATION Filter 1 is used to correct for LF MF buildup when the array size shape differ from that for which the factory preset was designed LF adjustments should be applied...

Page 25: ...cuit includes some HF attenuation using HF Throw Distance Compensation Filter 3 to correct for proximity differences Using some simple adjustments to the LACP filters will get an A12 system to a very...

Page 26: ...les Inter enclosure Angle 0 25 0 5 1 1 5 2 2 5 3 4 6 8 10 Grill Powder coated 14 guage hex perforated steel with acoustically transparent black cloth backing Connectors Type Pin Assignments Neutrik Sp...

Page 27: ...000 Frequency Hz 20 10 0 10 20 180 90 0 90 180 SPL dB 20 100 1000 20000 Frequency Hz 10 100 360 6 dB Beamwidth degrees VTX A12 FL VTX A12 FL 80 VTX A12 Phase BEAMWIDTH Horizontal Beamwidth 14 DIMENSIO...

Page 28: ...S A 800 8JBLPRO 800 852 5776 www JBLservice com Professional Contacts Outside the USA Contact the JBL Professional Distributor in your area A complete list of JBL Professional international distributo...

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