Eminence KAPPALITE 3015
Woofer
15″ / 381 mm
Nominal diameter
45 Hz
Resonance
0.34
Q factor
98 dB
Sensitivity
± 5.9 mm
Linear excursion
900 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.0
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
6.70
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
5.9
mm
Maximum excursion before damage
xlim
11.0
mm
Air volume displaced at xmax
VD
505
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
18.6
N/A
Motor constant
Bl/√RE
8.1
N/√W
Air gap height
HAG
9.3
mm
Weight
0.312
kg
Material
Neodymium
Diaphragm
Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
84
g
Moving mass (without air load)
MMD
66.5
g
Material
Paper
Suspensions
Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
153
L
Mechanical resistance
RMS
3.54
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
389
mm
Baffle cutout diameter
356
mm
Overall depth
173
mm
Volume occupied by the driver
2.54
L
Net weight
3.58
kg
Frame material
Die-cast aluminum
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SD
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Bl/√RE
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SD
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