Jensen Vintage Ceramic C12K-2
8Ω
16ΩGuitar Speaker
12″ / 307 mm
Nominal diameter
79 Hz
Resonance
0.47
Q factor
98 dB
Sensitivity
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.8
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
79.0
Hz
Mechanical quality factor
QMS
12.07
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.47
Large signal parameters
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.7
Ω
Inductance (1kHz)
LE
0.84
mH
VC Diameter
50
mm
Winding height
HVC
10
mm
Winding material
Copper
Former material
Nomex
Magnet
Flux density
B
1.15
T
Force factor
Bl
14.73
N/A
Motor constant
Bl/√RE
5.69
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
32.2
g
Moving mass (without air load)
MMD
24.3
g
Material
Paper
Suspensions
Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
43.1
L
Mechanical resistance
RMS
1.32
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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Similar speaker drivers to Jensen C12K-2
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12″Guitar Speaker
fS
75 Hz
SD
506 cm²
70 - 5000 Hz
QTS
0.54
xmax
2.3 mm
SPL1W
98 dB
Bl/√RE
5.25
Pmax
200 W