AUDIOFOCUS FR-X SYSTEM Manuale d'uso - Pagina 7

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IV. Preset explanations:

Preset 1: ''Extended'' has been made for application that need low end when FRX is used without added subwoofer

Preset 2: ''Fullrange'' is similar to ''extended'' but without LF correction. This preset if close to be neutral and flat reproduction

for voice applications.

Preset 3: ''FOH odd'' is specific AUDIOFOCUS preset for front stage when FRX are side by side coupled

(refer to X-Comb section)

Preset4: ''FOH even'' is specific AUDIOFOCUS preset for front stage when FRX are side by side coupled

(refer to X-Comb section)

V. X-Comb philosophy and setup:

Basical explanation about ''X-comb'' technology:

Coupling between two sources that are discontinued makes appear a comb effect problem. This mean that if you walk

in front of the cabinets that are coupled, you will ''feel'' some ''holes'' and ''maximum'' due to the distance the sources

and the ears. Some frequencies arrives in phase and other ones out of phase. The earing system feels these maximum

and minimum: this is the comb effect. This is the reason why AUDIOFOCUS developed ''Cross-comb'' or ''X-comb''

technology based on specific horn, psychoacoustic features and DSP treatment.

Normal coupled sources

Example of Setup of 2 x 4 coupled FR-X for FOH stage:

a) Set all horns to 30° abs asselmble the array using 6 H profiles

FR-X user's manual