JBL VTX A12 Manual Download Page 1

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VTX A

| Rigging Manual

Summary of Contents for VTX A12

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

Page 2: ...AL 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 Blvd Northridge CA 91329 USA ...

Page 3: ...al 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 come into contact with it from the FOH mixing engineer to the systems engineer rigger road crew warehouse manager and of course the audience Designed for operators of portable and fixed systems alike ...

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 7 1 Installing VTX A12 Cabinets on a VTX A12 VT 19 7 2 Installing the VT Top on the VTX A12 VT 21 7 3 Storing the VTX A12 VT 22 7 4 Stacking the VTX A12 VT with the VT TOP 23 7 5 Stacking the VTX A12...

Page 5: ...4 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 a Frame and Pull Back 48 11 5 When Do I Need a Pull Back 49 11 6 Using a Single VTX A12 SB 50 11 7 When Can I Use the SB as a Frame 51 12 THE VTX DELTA PLATE 52 12 1 Using the VTX Delta Plate 52 13 ...

Page 6: ...4 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 6 VTX A12 VT GND 75 15 7 VTX A12 BP 76 16 CONTACT INFORMATION 77 ...

Page 7: ...onal 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 DIRECTIVE Applies to machinery and lays down essential health and safety requirements ISO12100 Tested at JBL Professional 2014 35 EC LOW VOLTAGE DIRECTIVE Applies to loudspeaker and lays down essential heal...

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 to avoid prolonged exposure to SPL in excess of 90 dB 14 Read the System Rigging Manual before installation and use of the product 2 2 GENERAL HARDW ARE INFORMA TION Any hardware used in an overhead...

Page 9: ...e 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 missing loose damaged parts that could reduce strength and safety of the array Do not suspend the speaker until the proper corrective action has been taken Use only load rated hardware when suspending J...

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 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 insp...

Page 11: ...2 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 this document TERMINOLOGY Safe Limit The safe limit provides the number of cabinets that can be used in an array while maintaining a safety factor of 4 1 or higher The safety factor of an array is dete...

Page 12: ...ansporter 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 caution when moving the cart to avoid injury from tip over VTX A12 BP Base Plate VTX A12 AF Array Frame VTX A12 VTX A12W ...

Page 13: ...rays 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 cabinet splay angles overall array aiming and selected accessories In the case of suspended arrays a safety factor is cal culated to aid in designing systems that conform to local regulations Warnings an...

Page 14: ...mation 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 angles for each hang in LAC 3 every member of the crew can get the correct information for angles attachment points trim height etc either by scanning the QR code from LAC 3 directly with their devic...

Page 15: ...e 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 provide additional support and is rated for the weight of the array This message may also be warning of external factors that can influence stability such as someone accidentally pushing the array Config...

Page 16: ...e 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 mechanism engages to secure the cabinets to the selected position The cabinets maintain their splay positions until the user releases the Angle Lock mechanism at which point the cabinets can collapse agai...

Page 17: ...echanism 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 button is pressed the red Locking lever is released and moves to its unlocked position The Lock ing lever is spring loaded and maintains its position until the user manually changes the mode The Angle ...

Page 18: ...When 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 ensures that the rigging system is locked pre venting any accidental movement or angle selection To select an angle remove the quick release pins from the stor age position 10 and set them to the desi...

Page 19: ...e 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 installing the first VTX A12 cabinet onto the VTX A12 VT Use the four front and rear A12 quick release pins to secure the cabinet to the VT Set the A12 cabinet to the 10 degree STORAGE position and se...

Page 20: ...e 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 degree STORAGE position and make sure the red Locking lever is in the locked position Repeat this process until all four cabinets are set on the VTX A12 VT 2 1 2 3 3 1 4 4 ...

Page 21: ...izes 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 sure the VT TOP engages with the rigging on all four corners of the A12 cabinet Secure the VT TOP by installing the four quick release pins on to the top VTX A12 cabinet 2 1 2 1 2 ...

Page 22: ...d 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 found on the VT TOP to secure it to the VT TIP The VTX A12 VT CVR Cover can be stored in the empty space between the VT and VT TOP Fold the cover and place it in the VT before pinning the VT TOP 2 1 2 ...

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 stacked together CAUTION Make sure the VT and VT TOP are pinned together securely before stacking No more than four VTs should be stacked together 1 2 3 3 1 2 ...

Page 24: ...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 1 2 3 3 1 2 ...

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

Page 26: ...s 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 EXTENSION BAR ATTACHMENT POINT ARRAY FRAME HANDLE VTX A12 CONNECTION POINT EXTENSION BAR STORAGE POSITION LASER BEAM EXIT HOLE TIP One VTX A12 AF Extension Bar is always required when using the VTX A12 AF ...

Page 27: ...spension 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 5 8 inch shackles are included with each Extension Bar and Array Frame CAUTION Always use high quality 5 8 inch rigging shackles made by reputable manufacturers Always inspect all rigging components...

Page 28: ...Line 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 Frame CAUTION Always use both included quick release pins to attach the Extension Bar to the Array Frame Inspect both connection points before suspending an array 3 1 2 1 2 3 3 ...

Page 29: ...t 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 positions A B and C allow for two additional shackle positions between holes which increase the total number of shackle positions to 60 A B C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 The e...

Page 30: ...achieved 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 extension bar enabling a desired array site angle to be achieved POSITION C Position C is used similarly to position B offering the same ability to increase the number of available physical positions for...

Page 31: ...ces 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 up Slide the Extension Bar into place on top of the Array Frame with the two alignment locators on the bottom of the Extension Bar fitted into the storage position alignment cutouts in the top of th...

Page 32: ...n 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 Bar is re versed The A B and C attachment positions can still be used if a single point suspended array is necessary This config uration provides additional uptilt for arrays having a limited number...

Page 33: ...rs 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 used To attach two Extension Bars side by side follow the instructions from section 8 3 Attaching the Extension Bar mounting the Extension Bars to the tabs at the left and right Array Frame attachme...

Page 34: ...ired 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 bracket and tighten the four hold down screws Use the additional included fasteners to secure the laser bracket on to the Array Frame The Array Frame s orientation deter mines whether the bracket should b...

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 horizontally across two extension bars SINGLE POINT DUAL POINTS SIDE BY SIDE DUAL POINTS FRONT TO BACK DUAL POINTS USING BRIDALS FRONT TO BACK FOUR POINTS CAUTION When multiple suspension points are...

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 points on the top of the cabinet Remove the quick release pins from their storage positions and place each one into its respective attachment position The quick release pins should be attached from ...

Page 37: ...TX 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 select the desired inter enclosure splay angles for all cabinets Remove each QRP from its STORAGE position 10 degrees and move it to the desired position as indicated on the label If the desired angl...

Page 38: ...s 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 distance off the ground disconnect the Vertical Transporter VT by removing the two rear quick release pins followed by the front pins The array should not be so high in the air that the Vertical Transporter...

Page 39: ...he 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 the cart at the front 9 3 A TT ACH THE NEXT ST ACK CAUTION Always check that each cabinet is pinned to the same angle on each side of the enclosure The top cabinet in each array should be pinned in a...

Page 40: ...by 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 the array until the rear attachment points engage with the rear attachment receptacles of the stack on the cart and the holes for the quick release pins align Insert the quick release pins and attach ...

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: ...se 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 the bottom cabinet Lift the VT by the round bar at its rear and connect the rear attachment points with quick release pins then lift the front of the VT and use QRPs to attach it at the front of the V...

Page 43: ...e 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 Vertical Transporter resting on the ground Raise the array back up and allow the four VTX A12 cabinets on the Vertical Transporter to roll forward until the cart is resting safely on all four wheels St...

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: ...ts 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 CENTER SHACKLE ATTACHMENT LOCATION SHACKLE POSITION FOR SIDE BY SIDE SUSPENSION A12 ATTACHMENT POINTS 11 2 SUSPENSION BAR A TT ACHMENT T ABS The Suspension Bar is designed to be connected either to t...

Page 47: ...on 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 significant amount of downtilt In this situation the VTX A12 AF is used at the top of the array for the primary suspension point with the VTX A12 SB attached to the bottom of the array and lifted by a se...

Page 48: ...ngement 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 Deploying A12 Systems to suspend the A12 array Set the top A12 cabinet connected to the Suspension Bar to the 10 degree position After the entire A12 array has been assembled seat the second Suspension B...

Page 49: ...Suspension 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 the array angle In this scenario so the Array Frame s pick point flexibility is not needed and a Suspension Bar can be used for the top frame as well as on the bottom This yields the same outcome wi...

Page 50: ...ain 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 Bar If the CoG is in front of or behind the Suspension Bar the aiming of the array will be incor rect LAC 3 is used to determine if a given array qualifies for this configuration This configuration ...

Page 51: ...ar 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 flexibility of an Array Frame combined with an Extension Bar is not needed here and a Suspension Bar can be used instead of an Array Frame LAC Example 5 LAC Venue Example Center of Gravity Center of G...

Page 52: ...o 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 attachment hole of the Extension Bar The included 5 8 inch shackles are used to connect the VTX Delta Plate to the Extension Bar Two rear motors are connected to the VTX Delta Plate and horizontal aiming of...

Page 53: ...g 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 parts Depending on the array geometry the VTX A12 VT GND can support the weight of up to six A12 cabinets and allows for angles ranging from 15 degrees to 5 degrees LAC 3 software calculates ground st...

Page 54: ...2 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 bottom speaker will point up at a 5 degree angle These numbers are not related to the top enclosure of the array and LAC 3 should be used to determine the overall angle of the ground stack CAUTION The qui...

Page 55: ...ray 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 pins one for the front and one for the rear are included on each skate for attaching the VTX A12 VT GND to the VTX A12 VT Refer to the product labels on the GND for the correct orientation Angle Selecti...

Page 56: ...to 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 handle until the auto locking mechanism engages at the chosen angle Work your way down the array lifting each cabinet to its angle Once set auto lock holds the speakers at the selected positions Remov...

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: ...ft 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 pins on the A12 VT GND and carefully lower the A12 stack to the level 15 position Move both the SET ANGLE and LOCK ANGLE quick release pins to the STORAGE positions Lower the stack to the ground by ...

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

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

Page 62: ...ly 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 may limit the number of enclosures to four JBL Line Array Calculator 3 software calculates these conditions in real time and should always be used to determine array parameters If an array is unsafe L...

Page 63: ...e 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 prediction software 14 1 BASE PLA TE OVERVIEW NOTES The ratchet strap opening can be used to secure the ground stacked array to a structure to prevent tipping Four M10 sized screws can be used to secure t...

Page 64: ...angle 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 de gree steps Line Array Calculator 3 software determines the most appropriate position to select to obtain the required down angle and checks array safety 5 0 2 5 0 2 5 5 0 7 5 1 0 1 2 5 15 VTX A12 ...

Page 65: ...tions 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 subwoofer 1 2 CAUTION Ground stacked arrays should always be checked in LAC 3 for mechanical safety Always secure a stacked system to the stacking platform or stacking surface to ensure stability and pr...

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 corners 1 2 1 2 ...

Page 67: ...gle 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 when used in ground stacked configurations It s best to set the angle to the 10 degree position for the best appearance 3 4 ...

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: ...s 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 to the structure and subwoofers are not used beneath the array For detailed drawings of the A12 BP Base Plate including the position and size of its holes refer to the VTX A12 Customer Drawings ...

Page 70: ...ootnotes 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 Weight includes AF and EB Shackles and other rigging parts not included JBL continually engages in research related to product improvement Some materials production methods and design refinements are int...

Page 71: ...notes 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 Frame shackles and other rigging parts not included JBL continually engages in research related to product improvement Some materials production methods and design refinements are introduced into exis...

Page 72: ...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 Shackles and other rigging parts not included 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 rout...

Page 73: ...notes 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 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 ...

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 Weight includes 1 VTX A12 VT 1 VTX A12 VT TOP and 4 VTX A12 JBL continually engages in research related to product improvement Some materials production methods and design refinements are introduced into...

Page 75: ...hods 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 Construction High grade steel with anti corrosion coating Finish Black powder coat Mech...

Page 76: ...search 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 Construction High gr...

Page 77: ...han 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 8880 www harman com India HARMAN Professional Solutions 8500 Balboa Blvd Northridge CA 91329 USA 1 844 776 4899 www jblpro com U S A Technical Support 1 800 852 5776 HProTechSupportUSA Harman com www j...

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

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