15″ / 381 mm
Nominal diameter
23 Hz
Resonance
0.47
Q factor
84 dB
Sensitivity
± 35 mm
Linear excursion
8000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.3
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
23.5
Hz
Mechanical quality factor
QMS
2.47
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.47
Large signal parameters
Maximum linear excursion
xmax
35.0
mm
Air volume displaced at xmax
VD
2639
cm³
Power handling
P
4000
W
Program power
Pmax
8000
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.2
Ω
Inductance (1kHz, in series, estimated)
LE
1.9
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
19.6
N/A
Motor constant
Bl/√RE
11.0
N/√W
Material
Ferrite
Diaphragm
Effective diameter
310
mm
Effective area
SD
754
cm²
Moving mass
MMS
466.3
g
Moving mass (without air load)
MMD
450.7
g
Suspensions
Stiffness
KMS
10.1
N/mm
Compliance
CMS
99
µm/N
Equivalent volume to the compliance
VAS
79.8
L
Mechanical resistance
RMS
27.87
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
402
mm
Baffle cutout diameter
352
mm
Mounting depth
298
mm
Volume occupied by the driver (estimated)
4.9
L
Frame material
Aluminium
Export this driver to a simulation software:
WinISD
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Hornresp
QSpeakers
SpeakerSim
MfbLabs
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SD
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SD
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