Eminence KAPPALITE 3012HO
Bass Guitar Speaker
12″ / 305 mm
Nominal diameter
52 Hz
Resonance
0.32
Q factor
97 dB
Sensitivity
± 6.2 mm
Linear excursion
800 W
Program Power
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.1
dB
Frequency response
51 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
8.39
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
6.2
mm
Maximum excursion before damage
xlim
12.5
mm
Air volume displaced at xmax
VD
330
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.57
mH
VC Diameter
76
mm
Winding material
Aluminum
Former material
Kapton
Magnet
Force factor
Bl
15.9
N/A
Motor constant
Bl/√RE
6.78
N/√W
Air gap height
HAG
9.3
mm
Weight
0.312
kg
Material
Neodymium
Diaphragm
Effective diameter
260
mm
Effective area
SD
532
cm²
Moving mass
MMS
47
g
Moving mass (without air load)
MMD
38.2
g
Material
Treated paper
Suspensions
Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
81.1
L
Mechanical resistance
RMS
1.83
N·s/m
Surround material
Sealed cloth
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
315
mm
Baffle cutout diameter
281
mm
Overall depth
143
mm
Volume occupied by the driver
1.53
L
Net weight
3.22
kg
Frame material
Die-cast aluminum
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fS
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SD
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50 - 4000 Hz
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Bl/√RE
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12″Coaxial
fS
51 Hz
SD
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QTS
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fS
51 Hz
SD
531 cm²
50 - 4000 Hz
QTS
0.36
xmax
2.5 mm
SPL1W
96 dB
Bl/√RE
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