15″ / 381 mm
Nominal diameter
37 Hz
Resonance
0.32
Q factor
96 dB
Sensitivity
± 7.9 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.8
dB
Frequency response
38 - 1800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
10.00
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
7.9
mm
Maximum excursion before damage
xlim
18.0
mm
Air volume displaced at xmax
VD
677
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.94
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
15.4
N/A
Motor constant
Bl/√RE
8.43
N/√W
Air gap height
HAG
9.5
mm
Weight
3.402
kg
Material
Ferrite
Diaphragm
Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
99
g
Moving mass (without air load)
MMD
81.6
g
Material
Paper
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
183
L
Mechanical resistance
RMS
2.3
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
386
mm
Baffle cutout diameter
356
mm
Overall depth
167
mm
Volume occupied by the driver
4.31
L
Net weight
10.12
kg
Frame material
Die-cast aluminum
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SD
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QTS
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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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SD
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35 - 3150 Hz
QTS
0.31
xmax
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SPL1W
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Bl/√RE
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