15″ / 380 mm
Nominal diameter
29 Hz
Resonance
0.41
Q factor
90 dB
Sensitivity
± 14 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.9
dB
Frequency response
20 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
29.0
Hz
Mechanical quality factor
QMS
5.60
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
1092
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz)
LE
2.4
mH
VC Diameter
100
mm
Winding height
HVC
33
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
25.0
N/A
Motor constant
Bl/√RE
9.62
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
315
mm
Effective area
SD
780
cm²
Moving mass
MMS
220
g
Moving mass (without air load)
MMD
204.2
g
Material
Treated Cellulose
Suspensions
Stiffness
KMS
7.41
N/mm
Compliance
CMS
135
µm/N
Equivalent volume to the compliance
VAS
111
L
Mechanical resistance
RMS
7.16
N·s/m
Surround material
Rubber - Half Roll
Spider material
Nomex Fabric
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
388
mm
Baffle cutout diameter
354
mm
Overall depth
178
mm
Flange thickness
24
mm
Mounting depth
154
mm
Volume occupied by the driver (estimated)
5.5
L
Net weight
12.1
kg
Frame material
Diecast Aluminium
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fS
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SD
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20 - 200 Hz
QTS
0.41
xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
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SD
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30 - 500 Hz
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xmax
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SD
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QTS
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xmax
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SPL1W
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Bl/√RE
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