L-Acoustics X4r, Owner'S Manual

Page: 21 / 47

Loudspeaker congurations
Separated
With SB6r and the preset [SB6_60], the bandwidth of the X4r system is extended down to 29 Hz and the system contour
is reinforced by 9 dB
*
at 50 Hz (peak low-end SPL). The preset [X4_60] provides optimal frequency coupling with the
low-frequency element.
in-ceiling/wall
reinforced contour
+ 9 dB
*
at 50 Hz
Enclosure X4r SB6r
Preset [X4_60] [SB6_60]
Ratio 2 X4r : 1 SB6r
Frequency range (-10 dB) 29 Hz - 20 kHz
Delay values
Do not forget to add the pre-alignment and geometric delays depending on the conguration.
Pre-alignement delays
presets pre-alignment delay values and polarity settings
[X4_60] + [SB6_60] X4i = 1.8 ms SB6i = 0 ms
*
Contour value takes into account the effect of the wall and oor on the contour.
X4r owner's manual (EN) version 1.0 21