Configuration And Optimisation With Dsp In Line-Array - dB Technologies DVA K5 Mode D'emploi Et Caractéristiques Techniques

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CONFIGURATION AND OPTIMISATION WITH DSP IN LINE-ARRAY

The use of a line-array provides multiple benefits in various contexts; in particular:
Homogeneous SPL along the speaker front direction; the effect is particularly noticeable over medium
to long distances
directive sound behaviour, allowing to accurately focus the sound on the audience, avoiding
unnecessary dispersions in areas where acoustic coverage is not required
The line-array optimisation takes into account the system behaviour with respect to the frequency:
as distance from the line-array increases, air attenuation increases as well. This particularly applies to
high frequencies.
as the angle of the line-array components increases decreases mid-frequency phase coupling
as the number of line-array modules low frequencies add together in an acoustically coherent fashion
The DSP-managed control functions allow to optimise the line-array sound configuration of the DVA K5
modules. The user interface is simple and intuitive. It includes two rotary encoders installed in the "DSP
Preset" (4) section and the reference label shown below:
Turn the "SPEAKER COUPLING" rotary encoder to set the number
of modules included in the line array. This rotary encoder
affects the low frequencies and must be turned to the following
position:
A - 1 to 2 speakers
B - 2 to 4 speakers
C - 5 to 6 speakers
D - 7 to 8 speakers
E - 9 to 10 speakers
F - 11 to 12 speakers
G - 13 speakers and beyond
DVA K5
English
Code 420120232 REV.1.1
39

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