
Passive Disco Systems
Sept 2016
14
Amate Audio
3, LPF120, 3, CARD80/90/100/110/120) make it easy, flexible and
user-friendly.
The 21” neodymium woofer used, thanks to its exclusive magnetic design, combines
excellent bass frequency response, high performance and low distortion. There is
excellent heat dissipation due to the external positioning of the magnet set. Without
any doubt one of the finest bass transducers currently available. The result is a
clean, high quality sound.
The upper surface incorporates a M10 socket for a stacking frame (FR-X210, FR-
X208).
Fig.10.
X21D main connections
5.1. Technical description
The X21D cabinet comes with acoustic bandpass cabinet. As a bass reinforcement
system, its frequency response is 28Hz-120Hz (-10dB).
The recommended presets are as follows: LPF80 preset means low pass filter at
80Hz; LPF80+3 means low pass filter at 80Hz and +3dB boost at 40Hz; LPF90
means low pass filter at 90Hz; LPF90+3 means low pass filter at 90Hz and +3dB
boost at 40Hz; LPF100 means low pass filter at 100Hz; 3 means low pass
filter at 100Hz and +3dB boost at 40Hz; LPF110 means low pass filter at 110Hz;
3 means low pass filter at 110Hz and +3dB boost at 40Hz; LPF120 means
low pass filter at 120Hz; 3 means low pass filter at 120Hz and +3dB boost
Model
DSP206/608
Model
X21D
Impedance
4Ω
Model
HD4000
Mode
Bridge
Impedance
4Ω
Program power
4000W