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Electro-Voice® EVA Series User Manual
5.0 EVA Rigging System (cont’)
A second spreader bar, EVA-GXB, is available. The second spreader bar is used when two front-to-back
pickup points are desired/required. Figure 16 shows an EVA-SG grid with a second spreader bar. When
two spreader bars are used, one is attached to the extreme front hole positions in the side arms and the
other is attached to the extreme rear position. This gives the most control over the vertical aiming of the
array. Note that the need to maintain sufficient load on the front spreader bar to maintain rigging tension
will diminish the amount of down angle available with a standard grid. For this reason the EVA-EG extend-
ed grid is probably a better choice when using front-to-back pickup points.
22
Figure 16:
EVA-SG standard grid with optional
EVA-GXB spreader bar
5.22 Extended Grid with or without Second Spreader Bar
The EVA-EG extended grid is also available. Arrays taller than four modules will probably require the
extended grid, whose side arms are 12 inches longer to the rear. Three- to four-module arrays that have
extreme down angles will also require the extended grid. Figure 17 shows the extended grid.
Figure 17:
EVA-EG extended grid (shown with
optional EVA-GXB spreader bar)
Second (EVA-GXB)
Spreader Bar
Extended (EVA-EG)
Sidearm
Spreader Bar
EVA Module(s)
(Not Included with Grid)
Extended (EVA-EG)
Sidearm
Second (EVA-GXB)
Spreader Bar
Standard (EVA-SG)
Sidearm
Standard (EVA-SG)
Sidearm
EVA Module(s)
(Not Included with Grid)
Spreader Bar