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VTX A

12

| Rigging Manual

7.5 STACKING THE VTX A12 VT

If necessary, the VTX A12 VT can be stacked for storage without the VT-TOP.

STEPS:

•

Rotate the VT wheels so they point to the inside of the VT.

•

Line up the wheels and stack the two carts together.

•

Repeat until all VTs are stacked.

CAUTION: To maintain stability, place no more than eight VTX A12 VTs in a stack .

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Summary of Contents for VTX Series

Page 1: ...VTX A12 Rigging Manual...

Page 2: ...L INFORMATION VTX A12 Rigging Manual Document Number 1000297495 Version D EN Distribution Date November 25 2020 Copyright 2020 by HARMAN International all rights reserved JBL PROFESSIONAL 8500 Balboa...

Page 3: ...l sister companies VTX loudspeakers marry custom transducer design and in house manufacture breakthrough technologies and a com prehensive system approach to deliver a premium experience for all who c...

Page 4: ...5 3 Ground Stacked Arrays in LAC 3 15 6 VTX A12 RIGGING SYSTEM OVERVIEW 16 6 1 A12 Rigging Closeup 16 6 2 VTX A12 Angle Lock Mechanism 17 6 3 VTX A12 Angle Selection 18 7 A12 VT AND TRANSPORTATION 19...

Page 5: ...Repeat Steps to Disassemble the Array 45 11 THE VTX A12 SB SUSPENSION BAR 46 11 1 Suspension Bar Overview 46 11 2 Suspension Bar Attachment Tabs 46 11 3 VTX A12 SB for Pull Back 47 11 4 VTX A12 SB as...

Page 6: ...5 A12 Base Plate Examples 68 14 6 Attaching the Base Plate onto a Structure 69 15 SPECIFICATIONS 70 15 1 VTX A12 AF 70 15 2 VTX A12 AF EB 71 15 3 VTX A12 SB 72 15 4 VTX Delta 73 15 5 VTX A12 VT 74 15...

Page 7: ...nal declare under our sole responsibility that the product to which this declaration relates is in conformity with the following standards STANDARD DESCRIPTION TEST AGENCY 2006 42 EC MACHINERY DIRECTI...

Page 8: ...damage The loudspeaker is easily capable of generating sound pressure levels SPL sufficient to cause permanent hearing damage to performers production crew and audience members Caution should be taken...

Page 9: ...maximum recom mended load ratings Before suspending any speaker system always inspect all components enclosure rigging frames pins eyebolts track fittings etc for cracks deformations corrosion or mis...

Page 10: ...followed for proper installation and use of the product TOOLS REQUIRED This symbol gives notice of tools that must be used for proper installation and use of the product JBL is not responsible for the...

Page 11: ...3 1 SUSPENDED ARRA Y LIMITS 3 2 GROUND ST ACK ARRA Y LIMITS TIPS The VTX A12 and VTX A12W share the same weight and physical size The names VTX A12 and VTX A12W are used interchangeably throughout th...

Page 12: ...nsporter VTX A12 VT GND Ground Stack VTX A12 SB Suspension Bar VTX Delta Delta Plate CAUTION Always use components and accessories specified and approved by JBL Professional When a cart is used use ca...

Page 13: ...ays and selected JBL accessories Configuration limits are calculated in real time for either suspended or ground stacked arrays based on array parameters such as the number of cabinets cabinet to cabi...

Page 14: ...ation and options are presented in an easy to understand layout The application can be downloaded free from the Apple App Store or Google Play Store Once the system designer or lead tech computes the...

Page 15: ...is an alert that the array is potentially unstable and a tipping hazard condition has been detected The user is responsible for securing the array to the ground stage or other structure that can prov...

Page 16: ...while the system is still on the ground simply by moving the angle selection quick release pin QRP to the desired position When speakers are lifted off a VTX A12 VT cart an automatic Angle Lock mecha...

Page 17: ...chanism is released so that the cabinets can collapse again and be set on the VTX A12 VT at a 10 degree angle Press the black Lock Release Button to unlock the mechanism When the black Lock Release bu...

Page 18: ...hen the system is on the ground the quick release pins are not under load and can be moved freely to a desired position During transportation VTX A12 cabinets should always be set to 10 degrees This e...

Page 19: ...used for additional protection 7 1 INST ALLING VTX A12 CABINETS ON A VTX A12 VT VTX A12 cabinets should be installed on the VTX A12 VT one by one starting with the lowermost cabinets STEPS Start by i...

Page 20: ...sure all four corners are aligned and the rigging arms are engaged Use the two quick release pins on each side of the A12 cabinet to secure it to the A12 below Set the cabinet side angle to the 10 de...

Page 21: ...zes the carts during trans portation Because of its flat profile other gear can be placed above VTX A12 carts for a more efficient truck pack STEPS Lower the VT TOP on to the top VTX A12 cabinet Make...

Page 22: ...together for storage STEPS Line up the corners of the VTX A12 VT and the VT TOP Lower the VT TOP on to the VTX A12 VT until all four corner connection points engage Use the four quick release pins fo...

Page 23: ...for storage STEPS Rotate the VT wheels so that the wheels are pointed to the inside of the VT Line up the wheels with the VT TOP stacking cups and stack the two parts together Repeat until all VTs are...

Page 24: ...an be stacked for storage without the VT TOP STEPS Rotate the VT wheels so they point to the inside of the VT Line up the wheels and stack the two carts together Repeat until all VTs are stacked CAUTI...

Page 25: ...25 VTX A12 Rigging Manual 2286 mm 90 in 2434 mm 96 in 7 6 TRUCK PACKING DIMENSIONS...

Page 26: ...using the VTX A12 AF EB Extension Bar One Extension Bar is included with the frame and a second Extension Bar can be added to facilitate side by side suspension 8 1 ARRA Y FRAME OVERVIEW FRONT EXTENS...

Page 27: ...pension and one for cable relief Two quick release pins are included for attaching the Extension Bar to the Array Frame TIP The VTX A12 AF Extension Bar is only compatible with 5 8 inch shackles Three...

Page 28: ...ine up the Extension Bar with the connection tabs on the Array Frame Lower the Extension Bar on to the Array Frame Use the two included quick release pins to secure the Extension Bar to the Array Fram...

Page 29: ...to maintain the structural integrity of the bar Even at 51 mm apart the spacing is not fine enough for precise sub degree aiming so a shackle position is needed between two holes The three attachment...

Page 30: ...chieved with a shackle hole in the A position Sliding to the B position may better align the preferred shackle attachment point in the LAC 3 prediction with an available physical posi tion on the exte...

Page 31: ...es together Each A12 Array Frame can facilitate up to two A12 Extension Bars STEPS Place the Extension Bar across the top of the Array Frame aligned lengthwise left to right with the label side facing...

Page 32: ...be used when the LAC 3 pre diction indicates that more uptilt is needed to reach the de sired array site angle The Array Frame remains attached to the array in the standard position but the Extension...

Page 33: ...s near the left and right ends of the Array Frame The tabs must be installed at these outer attachment locations using the manufacturer supplied bolts and locking nuts before two Extension Bars can be...

Page 34: ...red to attach the laser bracket All necessary hardware is included with the VTX A12 AF STEPS Use the included screws to secure the laser unit to the mounting bracket Center the laser unit in the brack...

Page 35: ...The images below illustrate proper configura tions for attaching VTX A12 Extension Bars and where suspension points should be attached to the Extension Bars Suspension points should never be connected...

Page 36: ...to the array Ensure that the top cabinet is set to the correct angle and the Array Frame is properly oriented Lift the frame over the top A12 cabinet on the cart and rest it on the four QRP attachment...

Page 37: ...X A12 array is a simple and straightforward process Carefully execute these steps to correctly and safely suspend an array STEPS Using the quick release pins QRPs located on the Angle Selection Panel...

Page 38: ...sliding past locking points will be heard Each cabinet will stop expanding when it reaches the correct inter enclosure angle When all cabinet angles are set and the array is suspended a short distanc...

Page 39: ...e cart When the attachment points are aligned lower the suspended cluster until the front attachment points come together Insert the quick release pins to attach the suspended cluster to the stack on...

Page 40: ...y the rear handlebar on the VT and gently pull back towards the rear of the array While doing this lower the array so that the front wheels of the Vertical Transporter touch the ground Keep lowering t...

Page 41: ...41 VTX A12 Rigging Manual 9 4 REPEA T UNTIL COMPLETED Repeat the previous steps until the entire array has been assembled...

Page 42: ...e Buttons to open the red Angle Lock mechanisms for the lower four cabinets This allows the bottom four VTX A12 cabinets to collapse back to the 10 degree position Attach the Vertical Transporter to t...

Page 43: ...the rear quick release pins between the fourth and fifth cabinets up from the ground These quick release pins should move easily as the weight of the array is being held by the front wheels of the Ve...

Page 44: ...44 VTX A12 Rigging Manual 10 3 REPEA T STEPS TO DISCONNECT THE NEXT FOUR CABINETS Repeat the previous steps to disconnect and store the next four cabinets of the array...

Page 45: ...45 VTX A12 Rigging Manual 10 4 REPEA T STEPS TO DISASSEMBLE THE ARRA Y...

Page 46: ...s and array geometry Two VTX A12 SB Suspension Bars can be used for dual point applications and added aiming flexibility one at the top of the array and one at the bottom 11 1 SUSPENSION BAR OVERVIEW...

Page 47: ...n Bar and lift the array 11 3 VTX A12 SB FOR PULL BACK The primary role of the Suspension Bar is as a pull back attachment at the bottom of an array to facilitate array configurations requiring a sign...

Page 48: ...gement However being less flexible this method can take longer to assemble and install than the combination of an Array Frame and Suspension Bar 2 3 4 1 STEPS Follow the instructions in chapter 9 Depl...

Page 49: ...uspension Bar as a bottom frame can move the array CoG between the two suspension points enabling almost any down angle to be achieved LAC Example 2 The two suspension points motors are used to adjust...

Page 50: ...in reason that this configu ration is not recommended for regular use is that the center of gravity CoG of the given array must perfectly line up with the shackle attachment position on the Suspension...

Page 51: ...r suspension point LAC Example 5 SB as top frame The venue geometry below calls for an array with its CoG perfectly lined up with the rear suspension point of the top A12 enclosure LAC Example 4 The f...

Page 52: ...be used to distribute the weight of an array to two points 12 1 USING THE VTX DEL T A PLA TE The VTX Delta Plate is typically positioned at the rear of an array and connected to the very last attachm...

Page 53: ...based angle set hinges are used to adjust overall aiming The hinge mechanism uses gas springs which allow adjustment of the overall stack angle without manually lifting the speakers or moving heavy p...

Page 54: ...enclosure connected to the GND the bottom speaker of the array For example if 15 is selected on the GND the bottom speaker of the array will point down at a 15 degree angle If 5 is selected the botto...

Page 55: ...ay angle Angle Selection Mechanism The Angle Selection Mechanism is used for selecting the array angle Options range from 15 to 5 degrees in two degree steps VT Connection Points Two quick release pin...

Page 56: ...o their desired positions for example 2 4 8 The top A12 enclosure can remain set to the STOR AGE position as it is not used With all A12 angles selected lift the top cabinet in the array by its rear h...

Page 57: ...57 VTX A12 Rigging Manual 1 2 3 2 3 4...

Page 58: ...58 VTX A12 Rigging Manual 5 8 7...

Page 59: ...t each cabinet by its rear handle then press the Lock Release button to release the red Angle Lock mechanism and allow the cabinet to return to the STORAGE position Remove the LOCK ANGLE quick release...

Page 60: ...60 VTX A12 Rigging Manual 3 3...

Page 61: ...61 VTX A12 Rigging Manual 5 4 6...

Page 62: ...y to the center of the GND as to not create a tipping hazard In general straight arrays of up to six A12 enclosures will work but curved arrays tend to push the CoG towards the rear of the GND which m...

Page 63: ...A12 BP s M10 through holes can be used to permanently attach an A12 array to other support structures Configurations and load conditions for using the VTX A12 BP can be obtained using JBL LAC 3 predi...

Page 64: ...ngle plate labels for proper alignment 14 3 ANGLE SELECTION PLA TES The Base Plate angle selection plates include nine pin positions allowing for a range of angles from 15 degrees to 5 degrees in 2 5...

Page 65: ...ions below to assemble an A12 array STEPS Place the base plates onto the top subwoofer Attach the plates to the outer two M20 attachment points using the included M20 knobs to secure them onto the sub...

Page 66: ...Rigging Manual STEPS Place the first A12 onto the Base Plate and pin the front two corners Lift the rear of the A12 and position the angle selection plate at the desired location Pin the rear two corn...

Page 67: ...le Stack the next A12 pin the cabinets together and set the angle for the cabinet Repeat steps 3 and 4 to add the remaining cabinets to the array 3 4 TIP The very top cabinet does not require an angle...

Page 68: ...68 VTX A12 Rigging Manual 14 5 A12 BASE PLA TE EXAMPLES VTX A12 BP VTX B28 VTX A12 VT GND VTX B28 VT VTX B28 GND...

Page 69: ...is especially useful for permanent installations or other fixed applications where a ground stacked A12 system is needed but not often moved In such situations the base plate is permanently attached...

Page 70: ...otnotes 1 For arrays larger than the safe limit always use the JBL Line Array Calculator 3 to determine mechanical safety 2 Refer to the 2D and 3D Customer Drawings for more detailed dimensions 3 Weig...

Page 71: ...otes 1 For arrays larger than the safe limit always use the JBL Line Array Calculator 3 to determine mechanical safety 2 Refer to the 2D and 3D Customer Drawings for more detailed dimensions 3 Array F...

Page 72: ...han the safe limit always use the JBL Line Array Calculator 3 to determine mechanical safety 2 Refer to the 2D and 3D Customer Drawings for more detailed dimensions 3 Shackles and other rigging parts...

Page 73: ...otes 1 Refer to the 2D and 3D Customer Drawings for more detailed dimensions 2 Shackles and other rigging parts not included JBL continually engages in research related to product improvement Some mat...

Page 74: ...lbs 285 7 kg 629 8 lbs Footnotes 1 Always use the VTX A12 VT GND outrigger accessory for ground stacking VTX A12 cabinets 2 Refer to the 2D and 3D Customer Drawings for more detailed dimensions 3 Weig...

Page 75: ...ods 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 p...

Page 76: ...earch 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 r...

Page 77: ...an Dist Shenzhen 518067 China 400 166 7806 www harman com China HARMAN Professional India Prestige Technology Park Jupiter 2A Block 4th Floor Marathahalli Ring Road Bangalore 560103 India 1 800 208 88...

Page 78: ...VTX A12 Rigging Manual...

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