Nexo LS18 - Manual (Page 25)

C ONFIGURABLE D IRECTIVITY D EVICE Page 25/103
7 C
ONFIGURABLE
D
IRECTIVITY
D
EVICE
The GEO Wavesource controls dispersion of acoustic energy using an hyperboloid acoustical reflector
in the “coupling plane” (the vertical plane of a curved vertical tangent array) and a diffraction slot in the
“non-coupling plane” (the horizontal plane of a curved vertical tangent array). The patented
Configurable Directivity Device consists of bolt-
on flanges that alter the diffraction slot’s exit flare rate.
7.1 Installing & removing GEO’s Configurable Directivity flanges
GEO S12 are shipped in the 80° dispersion configuration;
120° flanges is an optional accessory.
To change dispersion in the non-coupling plane to 120°:
 Remove the front grill (drawings below);
 Remove the three TORX (5x25) screws per flange on each side of the GEO Waveguide
(drawings below);
 Install the 120° flanges with the six TORX screws
 Re-install the grid, being careful that the NEXO logo must be on the 12” loudspeaker
side.
REMOVING THE GRILL
REMOVING THE SCREWS REPLACING THE FLANGES