Fane COLOSSUS 18XBN
Subwoofer
18″ / 457 mm
Nominal diameter
33 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 7.5 mm
Linear excursion
2000 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
5.77
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Air volume displaced at xmax
VD
848
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.99
mH
VC Diameter
102
mm
Winding height
HVC
23
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.2
T
Force factor
Bl
25.9
N/A
Motor constant
Bl/√RE
10.4
N/√W
Air gap height
HAG
10
mm
Material
Neodymium
Diaphragm
Effective diameter
382
mm
Effective area
SD
1131
cm²
Moving mass
MMS
173
g
Moving mass (without air load)
MMD
144.6
g
Material
Polycellulose
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
236
L
Mechanical resistance
RMS
6.22
N·s/m
Surround material
Polyvinyl damped Poly Cotton
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
485
mm
Baffle cutout diameter
415
mm
Overall depth
197
mm
Flange thickness
12
mm
Mounting depth
185
mm
Volume occupied by the driver (estimated)
5.2
L
Net weight
7.95
kg
Frame material
Die-cast Aluminium
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SD
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xmax
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SPL1W
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Bl/√RE
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SD
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30 - 2500 Hz
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xmax
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