Jensen Mod 12-50

16Ω

Guitar Speaker

12″ / 306 mm
Nominal diameter
82 Hz
Resonance
1.4
Q factor
96 dB
Sensitivity
± 1.5 mm
Linear excursion
100 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
95.7
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
82.0
Hz
Mechanical quality factor
QMS
7.50
Electrical quality factor
QES
1.72
Total quality factor
QTS
1.40

Large signal parameters

Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
74
cm³
Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.66
mH
VC Diameter
32
mm
Winding material
Copper
Former material
Epotex

Magnet

Flux density
B
1.1
T
Force factor
Bl
7.43
N/A
Motor constant
Bl/√RE
2.96
N/√W
Weight
0.426
kg
Material
Ferrite

Diaphragm

Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
29.4
g
Moving mass (without air load)
MMD
21.6
g
Material
Paper

Suspensions

Stiffness
KMS
7.75
N/mm
Compliance
CMS
129
µm/N
Equivalent volume to the compliance
VAS
43.6
L
Mechanical resistance
RMS
2.02
N·s/m
Surround material
Integrated Paper

Dimensions

Nominal diameter
12
306
mm
Overall diameter
306
mm
Volume occupied by the driver (estimated)
0.75
L
Net weight
1.84
kg
Frame material
Pressed Sheet
Jensen Mod 12-50 Dimensions

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Jensen Mod 12-50 Guitar Speaker
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fS
83 Hz
SD
491 cm²
QTS
1.63
xmax
1.5 mm
SPL1W
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Bl/√RE
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Pmax
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fS
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SD
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