Jensen Vintage Ceramic C15K

16Ω

Guitar Speaker

15″ / 385 mm
Nominal diameter
71 Hz
Resonance
0.75
Q factor
97 dB
Sensitivity
± 1 mm
Linear excursion
200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
97.2
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
71.0
Hz
Mechanical quality factor
QMS
10.40
Electrical quality factor
QES
0.81
Total quality factor
QTS
0.75

Large signal parameters

Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
76
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.9
Ω
Inductance (1kHz)
LE
0.92
mH
VC Diameter
50
mm
Winding height
HVC
10
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
1.15
T
Force factor
Bl
14.19
N/A
Motor constant
Bl/√RE
5.42
N/√W
Air gap height
HAG
8
mm
Weight
1.45
kg
Material
Ferrite

Diaphragm

Effective diameter
310
mm
Effective area
SD
755
cm²
Moving mass
MMS
53.5
g
Moving mass (without air load)
MMD
38.4
g
Material
Paper

Suspensions

Stiffness
KMS
10.64
N/mm
Compliance
CMS
94
µm/N
Equivalent volume to the compliance
VAS
75.8
L
Mechanical resistance
RMS
2.29
N·s/m
Surround material
Integrated Paper

Dimensions

Nominal diameter
15
385
mm
Overall diameter
385
mm
Volume occupied by the driver (estimated)
2.3
L
Net weight
5.3
kg
Frame material
Pressed Sheet
Jensen C15K SPL & Impedance
Jensen C15K Dimensions

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fS
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SD
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80 - 5000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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