12″ / 305 mm
Nominal diameter
29 Hz
Resonance
0.37
Q factor
83 dB
Sensitivity
± 35 mm
Linear excursion
8000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
29.4
Hz
Mechanical quality factor
QMS
2.11
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
35.0
mm
Air volume displaced at xmax
VD
1646
cm³
Power handling
P
4000
W
Program power
Pmax
8000
W
Voice Coil
Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.4
Ω
Inductance (1kHz, in series, estimated)
LE
0.8
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
16.03
N/A
Motor constant
Bl/√RE
13.5
N/√W
Material
Ferrite
Diaphragm
Effective diameter
245
mm
Effective area
SD
470
cm²
Moving mass
MMS
439.8
g
Moving mass (without air load)
MMD
432
g
Suspensions
Stiffness
KMS
14.93
N/mm
Compliance
CMS
67
µm/N
Equivalent volume to the compliance
VAS
21
L
Mechanical resistance
RMS
38.56
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
328
mm
Baffle cutout diameter
283
mm
Mounting depth
244
mm
Volume occupied by the driver (estimated)
2.9
L
Frame material
Aluminium
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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12″Subwoofer
fS
28 Hz
SD
480 cm²
QTS
0.29
xmax
33.0 mm
SPL1W
85 dB
Bl/√RE
15
Pmax
7000 W
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Fi Car Audio SP4 12v2+ D22 x 2 Ω
12″Subwoofer
fS
28 Hz
SD
480 cm²
QTS
0.29
xmax
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SPL1W
85 dB
Bl/√RE
15
Pmax
7000 W
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fS
27 Hz
SD
350 cm²
24 - 600 Hz
QTS
0.35
xmax
12.3 mm
SPL1W
84 dB
Bl/√RE
9.41
Pmax
1200 W