Jensen Mod 8-20

Guitar Speaker

8″ / 207 mm
Nominal diameter
119 Hz
Resonance
2.24
Q factor
97 dB
Sensitivity
± 1 mm
Linear excursion
40 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
96.6
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
119
Hz
Mechanical quality factor
QMS
19.88
Electrical quality factor
QES
2.52
Total quality factor
QTS
2.24

Large signal parameters

Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
21
cm³
Power handling
P
20
W
Program power
Pmax
40
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Epotex

Magnet

Flux density
B
1.0
T
Force factor
Bl
4.45
N/A
Motor constant
Bl/√RE
1.75
N/√W
Weight
0.16
kg
Material
Ferrite

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
10.3
g
Moving mass (without air load)
MMD
8
g
Material
Paper

Suspensions

Stiffness
KMS
5.78
N/mm
Compliance
CMS
173
µm/N
Equivalent volume to the compliance
VAS
11.1
L
Mechanical resistance
RMS
0.39
N·s/m
Surround material
Integrated Paper

Dimensions

Nominal diameter
8
207
mm
Overall diameter
207
mm
Volume occupied by the driver (estimated)
0.26
L
Net weight
0.68
kg
Frame material
Pressed Sheet
Jensen Mod 8-20 Dimensions

Export this driver to a simulation software:

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