15″ / 380 mm
Nominal diameter
38 Hz
Resonance
0.3
Q factor
93 dB
Sensitivity
± 12.92 mm
Linear excursion
2800 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.3
dB
Frequency response
40 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
10.30
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
12.92
mm
Maximum excursion before damage
xlim
28.0
mm
Air volume displaced at xmax
VD
1087
cm³
Power handling
P
1400
W
Program power
Pmax
2800
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
1.25
mH
VC Diameter
100
mm
Winding height
HVC
31
mm
Former material
Glass Fiber
Magnet
Flux density
B
0.98
T
Force factor
Bl
21.7
N/A
Motor constant
Bl/√RE
12.5
N/√W
Air gap height
HAG
15.5
mm
Material
Neodymium Slug Crown
Diaphragm
Effective diameter
327
mm
Effective area
SD
841
cm²
Moving mass
MMS
205.4
g
Moving mass (without air load)
MMD
188.1
g
Suspensions
Stiffness
KMS
11.11
N/mm
Compliance
CMS
90
µm/N
Equivalent volume to the compliance
VAS
84.3
L
Mechanical resistance
RMS
4.8
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
217
mm
Flange thickness
14
mm
Mounting depth
203
mm
Volume occupied by the driver
6.0
L
Net weight
11.8
kg
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fS
37 Hz
SD
855 cm²
40 - 1500 Hz
QTS
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xmax
12.5 mm
SPL1W
94 dB
Bl/√RE
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Pmax
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15″Subwoofer
fS
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SD
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fS
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SD
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40 - 2000 Hz
QTS
0.34
xmax
12.5 mm
SPL1W
93 dB
Bl/√RE
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Pmax
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