15″ / 380 mm
Nominal diameter
42 Hz
Resonance
0.44
Q factor
94 dB
Sensitivity
± 9 mm
Linear excursion
3000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.6
dB
Frequency response
50 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
10.50
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
793
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
1.78
mH
VC Diameter
100
mm
Winding material
Aluminum
Magnet
Force factor
Bl
23.4
N/A
Motor constant
Bl/√RE
9.55
N/√W
Material
Ferrite
Diaphragm
Effective diameter
335
mm
Effective area
SD
881
cm²
Moving mass
MMS
157
g
Moving mass (without air load)
MMD
138.8
g
Material
Water,UV repellent
Suspensions
Stiffness
KMS
10.99
N/mm
Compliance
CMS
91
µm/N
Equivalent volume to the compliance
VAS
140
L
Mechanical resistance
RMS
3.95
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
245
mm
Flange thickness
12
mm
Mounting depth
233
mm
Volume occupied by the driver (estimated)
7.0
L
Net weight
12.5
kg
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fS
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SD
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40 - 2500 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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fS
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SD
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35 - 1000 Hz
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SD
935 cm²
40 - 1000 Hz
QTS
0.40
xmax
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SPL1W
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Bl/√RE
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