JBL VTX A12 Rigging Manual - page 12
VTX A12
| Rigging Manual
12
5 - SOFTWARE
5.1 - LINE ARRAY CALCULATOR 3
TM
LAC is a simulation software for designing and predicting JBL VTX Series systems. LAC predicts the acoustical performance cover-
age of Line Array systems as well as flown and ground stacked subwoofer arrays. Enhanced acoustical modeling includes color SPL
mapping, 0 dB Isobar, and SPL attenuation modes with the frequency response and SPL based on JBL’s DSP presets. Up to 8 virtual
microphones can be placed in the venue for accurate position-dependent response prediction. Additionally, subwoofer modeling is
now offered. Subwoofer delay values can be generated for electronic subwoofer array steering (EDS) using the built-in calculator.
Beyond the acoustical prediction, LAC is used for mechanical validation of all used suspension hardware. Weight limits are calculat-
ed in real time for single or dual-point suspensions. An array design factor is calculated that can be used for designing an array within
local regulation limits. Safety warning massages are displayed when an unsafe configuration has been selected. Array statistics like,
array size, depth and weight are also calculated.