Electro-Voice EVI-AC handleiding
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EVA Expandable Vertical Array Designing an array | en 17
Electro-Voice
Installation manual
2023-01 | 04 | F01U196199
5 Designing an array
!
Warning!
When flown in the same column with full-range modules from an EVA-SG2 or EVA-EG2 grid,
subwoofers must always be at the top of the array.
5.1 Designing and optimizing arrays
The total included vertical angles of the EVA modules in side view (6° for long-throw and 20°
for short-throw) were determined after analyzing array simulations in a wide range of venues.
Optimal distance for uniform front-to-back coverage is 100ft ±25ft.
Use Electro-Voice PREVIEW Loudspeaker Software to design and optimize EVA arrays for a
specific situation. You can download the latest version of PREVIEW from the EV website.
A good rule of thumb for aiming a three- or four-box array in a venue with a flat floor is to have
a line running through the intersection of the top two modules intersect the head of the
person in the last row.
Figure5.1: Rule-of-thumb for aiming three- and four-module EVA arrays
The Array Optimizer function in PREVIEW Loudspeaker Software determines the best aiming
angle for any valid combination of EVA-2082 modules.
GLL files for EVA simulations in EASE or EASE Focus are posted for download from the
Electro-Voice website. You can predict the coverage of EVA arrays in these software
applications, but you cannot validate rigging configurations.
5.2 Typical number of arrays
Line-array systems usually consist of vertical columns of multiple independent line-array
elements. The most common implementation is a sound reinforcement system with two
columns (left and right). Additional columns cover different seating sections of a venue, such
as seating areas that wrap around the side or back of a stage. Left-center-right configurations
use the center channel for speech.
A single array can provide good coverage in some venues. A variation of such a monaural
system is the exploded array, where two or more widely spaced (approximately 10ft or more)
arrays provide the horizontal coverage required. Distributed systems, such as in an arena, use
a large number of arrays.
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Productinformatie
| Merk | Electro-Voice |
| Model | EVI-AC |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 3734 MB |
