Jensen Electric Lightning C 12/70 EL
8Ω
16Ω
Guitar Speaker
12″ / 307 mm
Nominal diameter
93 Hz
Resonance
0.88
Q factor
98 dB
Sensitivity
± 1 mm
Linear excursion
140 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
93.0
Hz
Mechanical quality factor
QMS
14.50
Electrical quality factor
QES
0.94
Total quality factor
QTS
0.88
Large signal parameters
Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
49
cm³
Power handling
P
70
W
Program power
Pmax
140
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.9
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
50
mm
Winding height
HVC
10
mm
Winding material
Aluminum
Former material
Kapton
Magnet
Flux density
B
1.15
T
Force factor
Bl
14.56
N/A
Motor constant
Bl/√RE
4.21
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
28.3
g
Moving mass (without air load)
MMD
20.4
g
Material
Paper
Suspensions
Stiffness
KMS
9.71
N/mm
Compliance
CMS
103
µm/N
Equivalent volume to the compliance
VAS
35.3
L
Mechanical resistance
RMS
1.14
N·s/m
Surround material
Integrated Paper
Dimensions
Nominal diameter
12
″
307
mm
Overall diameter
307
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
4.5
kg
Frame material
Pressed Sheet
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SpeakerbenchSimilar speaker drivers to Jensen C 12/70 EL
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12″Guitar Speaker
fS
95 Hz
SD
520 cm²
80 - 4400 Hz
QTS
0.88
xmax
0.5 mm
SPL1W
98 dB
Bl/√RE
4.24
Pmax
100 W
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12″Guitar Speaker
fS
89 Hz
SD
520 cm²
80 - 5000 Hz
QTS
0.77
xmax
0.8 mm
SPL1W
98 dB
Bl/√RE
4.56
Pmax
240 W