Passive Disco Systems
Nov 2015
When the X218D is used in conjunction with the X15D in FLAT, NEARFIELD,
NEARFIELD+, SPEECH presets, the X218D must operate in negative polarity.
LPF90
90Hz
low pass filter
LPF90+3
90Hz
low pass filter,
+3dB boost
at 44Hz
LPF100
100Hz
low pass filter
LPF100+3
100Hz
low pass filter,
+3dB boost
at 44Hz
LPF110
110Hz
low pass filter
12
Amate Audio