12″ / 305 mm
Nominal diameter
55 Hz
Resonance
0.4
Q factor
95 dB
Sensitivity
± 5.5 mm
Linear excursion
1000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.8
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
4.13
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.40
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
1.39
mH
VC Diameter
76
mm
Winding height
HVC
18
mm
Winding material
Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.1
T
Force factor
Bl
16.6
N/A
Motor constant
Bl/√RE
7.08
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
59
g
Moving mass (without air load)
MMD
49.9
g
Suspensions
Stiffness
KMS
7.04
N/mm
Compliance
CMS
142
µm/N
Equivalent volume to the compliance
VAS
56
L
Mechanical resistance
RMS
4.94
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
141
mm
Flange thickness
8
mm
Mounting depth
133
mm
Volume occupied by the driver (estimated)
2.2
L
Net weight
4.3
kg
Frame material
Die-cast Aluminium
Similar subwoofers to Fane COLOSSUS 12MBN
12″Low frequency
fS
57 Hz
SD
531 cm²
50 - 4000 Hz
QTS
0.39
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
6.9
Pmax
700 W
12″Mid Bass
fS
54 Hz
SD
515 cm²
50 - 3000 Hz
QTS
0.36
xmax
6.8 mm
SPL1W
95 dB
Bl/√RE
7.25
Pmax
1200 W
12″Woofer
fS
49 Hz
SD
543 cm²
45 - 2000 Hz
QTS
0.33
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
7.78
Pmax
700 W