Master Audio
Xcellence Line Array Series 208.Ver 1.2
Sep 12
30
The front facing subwoofers must be driven with [LPF90+3] preset in X215W
and [LPF90] preset in X218W and the back facing subwoofers must be driven
with [CARDIOID] preset.
[LPF90+3]
[CARDIOID]
[LPF90+3]
[LPF90] [CARDIOID] [LPF90]
Fig.21.
Presets for cardioid configuration
When placing the subwoofers in a cardioid configuration keep a distance to walls of at
least 60 cm in order not to affect the radiation of the central reversed cabinet.
Fig.22a.
Back energy rejection at 40Hz / 50 Hz / 63Hz
