VT X A12 | Rigging Manual
10
3 - MECHANICAL LIMITS
The VTX A12 suspension system and accessories, comply with the 2006/42/EC: Machinery Directive and a design factor of 4:1.
The VTX A12 and all suspension accessories have been designed following the guidelines of BGV-C1. The limits listed in the tables
below correspond to a safety factor of 4:1 or higher for flown deployments.
ARRAY FRAME NOTES SAFE LIMIT MAXIMUM LIMIT
VTX A12 AF Extension Bar set to the rear position 12 x A12 24 x A12
VTX A12 AF Extension Bar set to the front position 8 x A12 16 x A12
VTX A12 AF Reverse Frame and Extension Bar set to the front position 12 x A12 24 x A12
VTX A12 SB Suspension Bar used as an Array Frame 18 x A12 18 x A12
ARRAY FRAME NOTES LIMIT
VTX A12 VT + GND Using VTX A12 VT with VTX A12 VT GND outriggers 6 x A12
3.1 - SUSPENDED ARRAY LIMITS
3.2 - GROUND STACK ARRAY LIMITS
Notes:
Safe Limit: The safe limit provides the number of A12 cabinets that can be used in an array and always comply with the safety limits
regardless of the array shape, frame side angle or number of suspension points.
Maximum Limit: The maximum limit provides the number of A12 cabinets that can be used in an array and still comply with the 4:1
design factor. In this case, the array shape, frame side angle and number of suspension points can have an impact on the maximum
number of cabinets allowed.
Line Array Calculator 3
TM
:
Always use the JBL Line Array Calculator
TM
to determine the maximum limits of an array configuration. LAC can provide exact De-
sign Factors and mechanical warnings of any given configuration.
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