FaitalPRO 18XL2000 8Ω
Subwoofer
18″ / 460 mm
Nominal diameter
28 Hz
Resonance
0.27
Q factor
94 dB
Sensitivity
± 16.32 mm
Linear excursion
4000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Frequency response
30 - 1600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
10.10
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
16.32
mm
Maximum excursion before damage
xlim
33.0
mm
Air volume displaced at xmax
VD
1980
cm³
Power handling
P
2000
W
Program power
Pmax
4000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.45
mH
VC Diameter
118
mm
Winding height
HVC
37.3
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
30.8
N/A
Motor constant
Bl/√RE
13.4
N/√W
Air gap height
HAG
14
mm
Material
Neodymium Ring
Diaphragm
Effective diameter
393
mm
Effective area
SD
1213
cm²
Moving mass
MMS
286
g
Moving mass (without air load)
MMD
256.7
g
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
232
L
Mechanical resistance
RMS
5.0
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
460
mm
Baffle cutout diameter
422
mm
Overall depth
227
mm
Flange thickness
14
mm
Mounting depth
213
mm
Volume occupied by the driver
7.3
L
Net weight
11.3
kg
Frame material
Aluminium
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SD
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SD
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