15″ / 381 mm
Nominal diameter
39 Hz
Resonance
0.38
Q factor
95 dB
Sensitivity
± 5.5 mm
Linear excursion
1200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
38 - 2700
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
6.08
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Maximum excursion before damage
xlim
10.4
mm
Air volume displaced at xmax
VD
471
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.27
mH
VC Diameter
76
mm
Magnet
Force factor
Bl
18.6
N/A
Motor constant
Bl/√RE
8.0
N/√W
Air gap height
HAG
9.5
mm
Weight
2.693
kg
Diaphragm
Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
105
g
Moving mass (without air load)
MMD
87.7
g
Suspensions
Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
159
L
Mechanical resistance
RMS
4.23
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
162
mm
Volume occupied by the driver
4.12
L
Net weight
9.07
kg
Frame material
Pressed steel
Similar subwoofers to Eminence KAPPA-15LFA
15″Subwoofer
fS
39 Hz
SD
832 cm²
34 - 3500 Hz
QTS
0.37
xmax
4.8 mm
SPL1W
95 dB
Bl/√RE
7.15
Pmax
1500 W
15″Subwoofer
fS
38 Hz
SD
847 cm²
40 - 3150 Hz
QTS
0.34
xmax
9.2 mm
SPL1W
95 dB
Bl/√RE
8.7
Pmax
1200 W
15″Subwoofer
fS
39 Hz
SD
880 cm²
35 - 2500 Hz
QTS
0.42
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
8.08
Pmax
1200 W