Eminence KAPPA-15A
4Ω
8Ω
Bass Guitar Speaker
15″ / 381 mm
Nominal diameter
33 Hz
Resonance
0.32
Q factor
96 dB
Sensitivity
± 4 mm
Linear excursion
900 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.2
dB
Frequency response
52 - 2300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
8.90
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Maximum excursion before damage
xlim
11.6
mm
Air volume displaced at xmax
VD
343
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.05
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
15.7
N/A
Motor constant
Bl/√RE
6.87
N/√W
Air gap height
HAG
9.5
mm
Weight
2.268
kg
Material
Ferrite
Diaphragm
Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
76
g
Moving mass (without air load)
MMD
58.7
g
Material
Paper
Suspensions
Stiffness
KMS
3.23
N/mm
Compliance
CMS
310
µm/N
Equivalent volume to the compliance
VAS
321
L
Mechanical resistance
RMS
1.77
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
156
mm
Volume occupied by the driver
3.92
L
Net weight
7.98
kg
Frame material
Pressed steel
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