12″ / 307 mm
Nominal diameter
102 Hz
Resonance
0.52
Q factor
98 dB
Sensitivity
± 1 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
102
Hz
Mechanical quality factor
QMS
19.80
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
49
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.61
mH
VC Diameter
50
mm
Winding height
HVC
10
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.1
T
Force factor
Bl
11.65
N/A
Motor constant
Bl/√RE
6.46
N/√W
Air gap height
HAG
8
mm
Weight
1.45
kg
Material
Ferrite
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
34.9
g
Moving mass (without air load)
MMD
27
g
Material
Paper
Suspensions
Stiffness
KMS
14.29
N/mm
Compliance
CMS
70
µm/N
Equivalent volume to the compliance
VAS
23.6
L
Mechanical resistance
RMS
1.13
N·s/m
Surround material
Integrated Paper
Dimensions
Nominal diameter
12
″
307
mm
Overall diameter
307
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
4.3
kg
Frame material
Pressed Sheet
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Jensen C12K
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10″Guitar Speaker
fS
105 Hz
SD
366 cm²
80 - 4200 Hz
QTS
0.53
xmax
0.5 mm
SPL1W
99 dB
Bl/√RE
4.8
Pmax
100 W
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12″Guitar Speaker
fS
101 Hz
SD
520 cm²
80 - 4200 Hz
QTS
0.56
xmax
1.2 mm
SPL1W
101 dB
Bl/√RE
5.86
Pmax
150 W
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