Eminence KAPPA-15LFA

Bass Guitar Speaker

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
Discard
Apply

Available on (affiliate links)

Parts Express
$$$
Amazon.com
$$$

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
Winding material
Copper
Former material
Polyimide

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
Material
Ferrite

Diaphragm

Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
105
g
Moving mass (without air load)
MMD
87.7
g
Material
Paper

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
Surround material
Cloth

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
Eminence KAPPA-15LFA SPL & Impedance

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to Eminence KAPPA-15LFA

Radian 2216 Subwoofer
15Subwoofer
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
BMS 15N630 Subwoofer
15Subwoofer
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