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VTX A

8

| Rigging Manual

8 - ARRAY FRAME AND EXTENSION BAR

The VTX A8 AF is a lightweight Array Frame used for suspending VTX A8 and B18 cabinets. The frame was designed to operate in either
single-point, front-to-back or side-by-side suspension modes using the VTX A8 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 - ARRAY FRAME OVERVIEW

CARRYING HANDLE

CABINET CONNECTION

POINT

EXTENSION BAR

STORAGE POSITION

LASER LIGHT

EXIT HOLE

EXTENSION BAR

CONNECTION TABS

CABINET CONNECTION

POINT

EXTENSION BAR

CONNECTION TABS

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Содержание VTX A8 Series

Страница 1: ...VTX SERIES A8 Rigging Manual...

Страница 2: ...ERAL INFORMATION VTX A8 Rigging Manual Document Number 1000337284 Version A EN Distribution Date 10 25 2018 Copyright 2018 by HARMAN International all rights reserved JBL PROFESSIONAL 8500 Balboa Blvd...

Страница 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...

Страница 4: ...ay Calculator 3 TM 13 5 2 Array Link TM 14 6 A8 RIGGING SYSTEM OVERVIEW 15 6 1 Rigging Closeup 15 6 2 Angle Lock Mechanism 16 6 3 Angle Selection 17 7 A8 TRANSPORTATION 18 7 1 Installing VTX A8 Cabine...

Страница 5: ...43 10 3 Repeat Steps to Disconnect the Next Four Cabinets 44 10 4 Repeat Steps to Disassemble the Array 45 11 COMBINATION ARRAYS WITH A8 AND B18 46 11 1 Attaching the Array Frame to the B18 46 11 2 At...

Страница 6: ...OLTAGE DIRECTIVE Applies to loudspeaker and lays down essential health and safety requirements EN60065 Tested at JBL Professional BRAND JBL Professional FAMILY NAME VTX A8 B18 loudspeaker and suspensi...

Страница 7: ...s 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 R...

Страница 8: ...d the 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 o...

Страница 9: ...be 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...

Страница 10: ...Designs much greater than the safe limit and up to the maximum limit can be achieved but the JBL Line Array Calculator software should be used to check mechanical safety for the given configuration M...

Страница 11: ...SYSTEM COMPONENTS VTX A18 AF Array Frame VTX A8 SB Suspension Bar VTX A8 AF EB Extension Bar VTX A8 VT Vertical Transporter VTX A8 VT CVR Cover VTX B18 VTX A8 VTX A8 MF Mini Frame COMING SOON VTX A8...

Страница 12: ...ft Cover VTX B18 VT Vertical Transporter VTX RC500 Rotating Clamp VTX DELTA Delta Plate CAUTION Always use components and accessories specified and approved by JBL Professional When a cart is used use...

Страница 13: ...the venue for accurate position dependent response prediction Additionally subwoofer modeling is now offered Subwoofer delay values can be generated for electronic delay steering EDS of subwoofer arra...

Страница 14: ...s compatible with iOS and Android and can be obtained from the respective app store for each OS The intended workflow for the Array Link app allows the system designer or lead tech to compute all the...

Страница 15: ...to cabinet splay angle selection is done 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 the VTX...

Страница 16: ...mechanism consists of two main parts the red LOCKING LEVER and the black RELEASE BUTTON The system is locked when the red locking lever is recessed into the cabinet and the system will remain locked...

Страница 17: ...he ground When the system is on the ground the Quick Release Pins are not under load and can move freely to the desired position During transportation VTX A8 cabinets should always be set to 10 degree...

Страница 18: ...used for additional protection 7 1 INST ALLING VTX A8 CABINETS ON A VT At the first time of use VTX A8 cabinets should be installed on the VTX A8 VT one by one starting with the lowermost cabinets ST...

Страница 19: ...and the rigging arms are engaged Use the four Quick Release Pins two on each side and secure the A8 cabinet to the A8 below Set the cabinet side angle to the 10 degree STORAGE position and make sure...

Страница 20: ...abilizes the carts during transportation Because of its flat profile other gear can be placed above VTX A8 carts for a more efficient truck pack STEPS Lower the VT TOP on to the topmost VTX A8 cabinet...

Страница 21: ...storage STEPS Line up the corners of the VTX A8 VT and the VT TOP Lower the VT TOP on to the VTX A8 VT until all four corner connection points engage Use the four Quick Release Pins to secure the VT...

Страница 22: ...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 Stack the two parts together Repeat until all VTs are st...

Страница 23: ...out using the VT TOP STEPS Rotate the VT wheels so that the wheels are pointed to the inside of the VT Line up the wheels Stack the two parts together Repeat until all VTs are stacked together CAUTION...

Страница 24: ...24 VTX A8 Rigging Manual 2286mm 90 00 2434 4mm 96 00 7 6 TRUCK PACKING 813mm 32 457mm 18...

Страница 25: ...to back or side by side suspension modes using the VTX A8 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 suspensio...

Страница 26: ...are used for suspension and one for cable relief Two Quick Release Pins are included for attaching the Extension Bar to the Array Frame TIP The VTX A8 AF Extension Bar is only compatible with 5 8 sha...

Страница 27: ...First 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 Arr...

Страница 28: ...2 to maintain the structural integrity of the bar Even at 51mm apart the spacing is typically not frequent enough for precise sub de gree aiming and a shackle position is needed between two holes The...

Страница 29: ...he Array Frame Each A8 Array Frame can store up to 2 x Extension Bars STEPS Place the Extension Bar longways left to right across the top of the Array Frame ensuring that the label side of the Extensi...

Страница 30: ...h allows for the maximum pos sible down tilt The revered orientation has the extension bar extending towards the front of the array which allows for the maximum possible up tilt This orientation is us...

Страница 31: ...Part VTX A8 AF EB includes one Extension Bar two additional QRP s and all hardware needed tabs bolds and nuts for mounting to the VTX A8 Array Frame The additional attachment tabs must be installed to...

Страница 32: ...driver is needed to attached the laser bracket All necessary hardware is included with the VTX A8 AF STEPS Use the included screws to first secure the laser unit to the laser bracket Make sure the las...

Страница 33: ...below illustrate proper con figurations for attaching VTX A8 Extension Bars and where suspension points should be attached to the Extension Bars Suspension points should never be connected horizontal...

Страница 34: ...top of the cabinet Remove the QRP s from their storage positions and place each one into its respective attachment position The QRP s should be attached from the inside of the Array Frame Once the Ar...

Страница 35: ...t 9 1 PRESELECT THE ANGLES STEPS Using the Quick Release Pins QRPs located on the Angle Selection Panel select the desired inter enclosure splay angles for all cabinets Do this by removing the QRP fro...

Страница 36: ...binets can be extended and locked while still on the ground This can make connecting flown cabinets to cabinets on the ground much easier since the rear rigging connection points are in a much higher...

Страница 37: ...hoist lifts each cabinet will expand to the correct angle Each cabinet will stop expanding when it reaches the correct inter enclosure angle When all cabinets are set and the array is suspended a shor...

Страница 38: ...are nearly touching Ensure that the attachment points are aligned and then lower the suspended cluster until the front attachment points come together Insert the two front QRP s 9 4 A TT ACH THE NEXT...

Страница 39: ...l the rear two connection points come together Once touching insert to two rear QRPs to secure the two clusters together If the angle of the flown cluster is too steep too much down angle and the rear...

Страница 40: ...that the front wheels of the VT touch the ground Keep lowering the array until the rear attachment points engage and then insert the two rear QRP s Once all four QRP s have been secured lift the arra...

Страница 41: ...41 VTX A8 Rigging Manual 9 5 REPEA T UNTIL COMPLETED Repeat the previous steps until the entire array has been assembled...

Страница 42: ...ower cabinets to unlock the rigging mechanism This will enable the bottom four cabi nets to collapse back to the 10 degree position once the array is lowered to the ground Attach the VT to the bottom...

Страница 43: ...r A8 cabinets to the 10 degree STORAGE position Close all eight RED Locking latches Remove the rear QRP s between the fourth and fifth cabinet from the ground These QRP s should move easily as the wei...

Страница 44: ...44 VTX A8 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...

Страница 45: ...45 VTX A8 Rigging Manual 10 4 REPEA T STEPS TO DISASSEMBLE THE ARRA Y...

Страница 46: ...E B18 The first step in this process is to attach the VTX A8 Array Frame to the top most VTX B18 cabinet The array design used for this exam ple consists of two forward facing B18 subwoofers and eight...

Страница 47: ...ey can be used to connect to the first A8 cabinet 1 2 3 CAUTION All six Quick Release Pins and rigging arms should always be used when connecting one B18 subwoofer to another No pins should be left un...

Страница 48: ...el with the Array Frame STEPS Follow the procedures outlined in section 9 of this manual to assemble the A8 clusters Preset the angles of the A8 cabinets and then lift each cabinet using the rear pane...

Страница 49: ...to be parallel with the Array Frame STEPS Raise the suspended cluster of VTX B18s cabinets and align the A8 cart of cabinets underneath the suspended cluster Once the two clusters are aligned carefull...

Страница 50: ...ether Insert the two front QRP s With the front QRPs set use the electric hoist to raise the array Be aware that the lower cluster may swing forward slightly as it lifts off the ground Once the array...

Страница 51: ...RA Y SAFETY NOTE When creating combination arrays with A8 and B18 cabinets all four connection points in line with the array frame should always be used to create a rigid and secure structure It is re...

Страница 52: ...extra down tilt otherwise not possible by using the VTX A8 AF alone The SB can also attach to the top cabinet of an array and be used as a compact array frame Two VTX A8 Suspension Bars can be used on...

Страница 53: ...cted at the bottom last cabinet of an array the array attachment tabs must be released from their storage positions in order to attach to a VTX A8 or B18 cabinet This is done by removing the holding p...

Страница 54: ...he bottom of the array and lifted with a second rear motor point The two motors are used to achieve the desired array down tilt STEPS Follow the steps in chapter 9 to suspend the VTX A8 array using th...

Страница 55: ...ay The pins included with the Suspension Bar are used to attach the Bar to the A8 cabinet The Suspension Bar should always be connected to the rear A8 suspension points Set the A8 cabinet connected to...

Страница 56: ...an be selected as the bottom frame which moves the array CoG between the two suspension points With the CoG between the two suspension points almost any down angle can be achieved LAC Example 2 In thi...

Страница 57: ...and the main reason that this is not a recommended configuration for regular use is that the center of gravity CoG of the given array must perfectly line up with the shackle attachment position on th...

Страница 58: ...Example 4 Center of Gravity LAC Example 5 The venue geometry below calls for an array geometry that has the array CoG perfectly lined up with the rear suspension point of the top A8 enclosure LAC Exam...

Страница 59: ...B18 only array Details on the suspension bar and B18 usage are available in the B18 Rigging Manual All mixed array configurations should be checked with LAC III for mechanical safety CAUTION The VTX...

Страница 60: ...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...

Страница 61: ...duction 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 respec...

Страница 62: ...ting 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 excee...

Страница 63: ...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 st...

Страница 64: ...ww jblpro com HARMAN USA Technical Support Monday Friday 8 00am 5 00pm 1 844 776 4899 hprotechsupportusa harman com www harman com Harman Professional London Harman Westside Hemel Hempstead HP3 9TD Lo...

Страница 65: ...VTX A8 Rigging Manual...

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