Welcome to the world of Vari Intense® horn technology from Electro-Voice. This Applications Guide is not intended as a “very intense” descrip- tion of installation procedures, but more as a partial description of applications and a discussion with the designer to help you understand this revolution- ary technology and use the Electro-Voice Vari In- tense® systems to install better-sounding systems and significantly reduce time and material costs.
In a nutshell, here are the major advantages of the new EVI systems:
• Rectangular coverage pattern.
Traditional horns deliver an elliptical pattern to the floor. VI horns deliver a rectangular pattern, which helps to fill in the corners of the room. No more costly delay lines or cheap seats!!
• Even SPL front-to-back.
The unique, patented throat and flare struc- ture of the VI horn delivers a 6-10 dB hotter signal to the rear of the room, eliminating ear- strain at the back of the seating area and pain- ful ears at the front.
• Greater Intelligibility.
VI horns deliver sound to fill only the floorplan, providing uniform direct-field SPL and an order of magnitude less energy into the reverberant field. This provides an increase in mid- to high-frequency intelligibility of 6 dB in most applications.
• One horn replaces two.
With VI technology we’ve eliminated the de- structive interference which occurs between long- and short-throw horns. We’ve also elimi- nated the cost of a properly designed two-horn system which must include another power am- plifier channel for good power control and impedance matching.
• Labor savings in the box.
With structural rigging from the factory, these systems will fly more conveniently and in less time than many competitive products. In addi- tion, less time is spent on the aiming and repo- sitioning that is required with traditional long- throw/short-throw horn combinations. This will save you additional money.
