15″ / 380 mm
Nominal diameter
33 Hz
Resonance
0.28
Q factor
95 dB
Sensitivity
± 9.45 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
35 - 3150
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
8.50
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
9.45
mm
Maximum excursion before damage
xlim
16.0
mm
Air volume displaced at xmax
VD
800
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
1.02
mH
VC Diameter
77
mm
Winding height
HVC
22.4
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
16.2
N/A
Motor constant
Bl/√RE
8.92
N/√W
Air gap height
HAG
10.5
mm
Material
Neodymium Slug
Diaphragm
Effective diameter
328
mm
Effective area
SD
847
cm²
Moving mass
MMS
111.2
g
Moving mass (without air load)
MMD
93.7
g
Suspensions
Stiffness
KMS
4.76
N/mm
Compliance
CMS
210
µm/N
Equivalent volume to the compliance
VAS
210
L
Mechanical resistance
RMS
2.7
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
356
mm
Overall depth
181
mm
Flange thickness
14
mm
Mounting depth
167
mm
Volume occupied by the driver
3.4
L
Net weight
4.3
kg
Frame material
Aluminium
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SD
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35 - 1000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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SD
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QTS
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SD
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25 - 1800 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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