Fane SOVEREIGN 12-250TC
Full-range
12″ / 305 mm
Nominal diameter
50 Hz
Resonance
0.64
Q factor
93 dB
Sensitivity
± 3.5 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.8
dB
Frequency response
45 - 17000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
7.60
Electrical quality factor
QES
0.72
Total quality factor
QTS
0.64
Large signal parameters
Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
186
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
1.56
mH
VC Diameter
51
mm
Winding height
HVC
10.92
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.1
T
Force factor
Bl
13.0
N/A
Motor constant
Bl/√RE
4.84
N/√W
Air gap height
HAG
7.87
mm
Weight
1.588
kg
Material
Ferrite
Diaphragm
Effective diameter
262
mm
Effective area
SD
531
cm²
Moving mass
MMS
52
g
Moving mass (without air load)
MMD
43.5
g
Material
Paper
Suspensions
Stiffness
KMS
5.13
N/mm
Compliance
CMS
195
µm/N
Equivalent volume to the compliance
VAS
78.1
L
Mechanical resistance
RMS
2.15
N·s/m
Surround material
Polyvinyl damped Linen
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
305
mm
Baffle cutout diameter
286
mm
Overall depth
138
mm
Flange thickness
7
mm
Mounting depth
131
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.3
kg
Frame material
Pressed Steel
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