Eminence KAPPA PRO-12A
Mid Bass
12″ / 305 mm
Nominal diameter
37 Hz
Resonance
0.24
Q factor
95 dB
Sensitivity
± 4.8 mm
Linear excursion
1000 W
Program Power
.jpg)
.jpg)
.jpg)
Available on (affiliate links)
Amazon.com
$$$
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.0
dB
Frequency response
57 - 2800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
6.93
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.24
Large signal parameters
Maximum linear excursion
xmax
4.8
mm
Maximum excursion before damage
xlim
14.8
mm
Air volume displaced at xmax
VD
249
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.22
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
17.3
N/A
Motor constant
Bl/√RE
7.4
N/√W
Air gap height
HAG
9.5
mm
Weight
2.268
kg
Material
Ferrite
Diaphragm
Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass
MMS
59
g
Moving mass (without air load)
MMD
50.5
g
Material
Paper
Suspensions
Stiffness
KMS
3.13
N/mm
Compliance
CMS
320
µm/N
Equivalent volume to the compliance
VAS
121
L
Mechanical resistance
RMS
1.98
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
315
mm
Baffle cutout diameter
281
mm
Overall depth
158
mm
Volume occupied by the driver
2.55
L
Net weight
7.53
kg
Frame material
Die-cast aluminum
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Eminence KAPPA PRO-12A
.jpg.webp)
12″Woofer
fS
38 Hz
SD
495 cm²
40 - 5600 Hz
QTS
0.26
xmax
6.8 mm
SPL1W
95 dB
Bl/√RE
7.01
Pmax
800 W
.jpg.webp)
15″Low frequency
fS
37 Hz
SD
855 cm²
35 - 2000 Hz
QTS
0.26
xmax
9.8 mm
SPL1W
95 dB
Bl/√RE
12
Pmax
3200 W
.png.webp)
12″Coaxial
fS
42 Hz
SD
550 cm²
40 - 20000 Hz
QTS
0.25
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
7.71
Pmax
800 W