Jensen Vintage Ceramic C12Q
8Ω
16Ω
Guitar Speaker
12″ / 306 mm
Nominal diameter
86 Hz
Resonance
1.99
Q factor
98 dB
Sensitivity
± 1.5 mm
Linear excursion
70 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
86.0
Hz
Mechanical quality factor
QMS
10.16
Electrical quality factor
QES
2.47
Total quality factor
QTS
1.99
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
74
cm³
Power handling
P
35
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
12.0
Ω
Inductance (1kHz)
LE
0.95
mH
VC Diameter
32
mm
Winding height
HVC
9
mm
Winding material
Copper
Former material
Epotex
Magnet
Flux density
B
0.92
T
Force factor
Bl
8.16
N/A
Motor constant
Bl/√RE
2.36
N/√W
Air gap height
HAG
6
mm
Weight
0.426
kg
Material
Ferrite
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
24.3
g
Moving mass (without air load)
MMD
16.5
g
Material
Paper
Suspensions
Stiffness
KMS
7.3
N/mm
Compliance
CMS
137
µm/N
Equivalent volume to the compliance
VAS
46.3
L
Mechanical resistance
RMS
1.29
N·s/m
Surround material
Integrated Paper
Dimensions
Nominal diameter
12
″
306
mm
Overall diameter
306
mm
Volume occupied by the driver (estimated)
0.74
L
Net weight
1.8
kg
Frame material
Pressed Sheet
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