15″ / 380 mm
Nominal diameter
40 Hz
Resonance
0.37
Q factor
93 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
93.4
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
740
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
311
mm
Effective area
SD
759
cm²
Moving mass
MMS
138.9
g
Moving mass (without air load)
MMD
123.4
g
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
93.1
L
Mechanical resistance
RMS
3.49
N·s/m
Surround material
Triple Roll
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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fS
39 Hz
SD
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35 - 2000 Hz
QTS
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xmax
9.0 mm
SPL1W
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Bl/√RE
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15″Subwoofer
fS
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SD
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QTS
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xmax
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fS
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SD
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QTS
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xmax
7.9 mm
SPL1W
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Bl/√RE
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