15″ / 380 mm
Nominal diameter
40 Hz
Resonance
0.37
Q factor
94 dB
Sensitivity
± 9.75 mm
Linear excursion
1400 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
94.0
dB
Frequency response
40 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
10.00
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
9.75
mm
Maximum excursion before damage
xlim
21.9
mm
Air volume displaced at xmax
VD
802
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.8
mH
VC Diameter
100
mm
Winding height
HVC
23
mm
Former material
Glass Fiber
Magnet
Flux density
B
1.05
T
Force factor
Bl
22.0
N/A
Motor constant
Bl/√RE
9.56
N/√W
Air gap height
HAG
10.5
mm
Diaphragm
Effective diameter
324
mm
Effective area
SD
822
cm²
Moving mass
MMS
138.9
g
Moving mass (without air load)
MMD
122
g
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
108
L
Mechanical resistance
RMS
3.5
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
183
mm
Flange thickness
13
mm
Mounting depth
170
mm
Volume occupied by the driver
4.7
L
Net weight
9.8
kg
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15″Subwoofer
fS
41 Hz
SD
880 cm²
40 - 1000 Hz
QTS
0.35
xmax
11.0 mm
SPL1W
95 dB
Bl/√RE
9.98
Pmax
2000 W
15″Subwoofer
fS
41 Hz
SD
880 cm²
40 - 1500 Hz
QTS
0.37
xmax
11.0 mm
SPL1W
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Bl/√RE
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Pmax
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15″Subwoofer
fS
42 Hz
SD
881 cm²
50 - 2000 Hz
QTS
0.44
xmax
9.0 mm
SPL1W
94 dB
Bl/√RE
9.55
Pmax
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