Fane COLOSSUS 12MB
Mid Bass
12″ / 305 mm
Nominal diameter
55 Hz
Resonance
0.29
Q factor
95 dB
Sensitivity
± 5.5 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
40 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
2.05
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
292
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.56
mH
VC Diameter
76
mm
Winding height
HVC
18
mm
Winding material
Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.16
T
Force factor
Bl
18.3
N/A
Motor constant
Bl/√RE
7.8
N/√W
Air gap height
HAG
9
mm
Weight
2.637
kg
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
59
g
Moving mass (without air load)
MMD
49.9
g
Material
Polycellulose
Suspensions
Stiffness
KMS
7.04
N/mm
Compliance
CMS
142
µm/N
Equivalent volume to the compliance
VAS
56
L
Mechanical resistance
RMS
9.95
N·s/m
Surround material
Polyvinyl damped Poly Cotton
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
330
mm
Baffle cutout diameter
257
mm
Overall depth
131
mm
Flange thickness
8
mm
Mounting depth
123
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.8
kg
Frame material
Die-cast Aluminium
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SD
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SD
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