Jensen Smooth BS 10N/250A

Bass Guitar Speaker

10″ / 268 mm
Nominal diameter
58 Hz
Resonance
0.43
Q factor
93 dB
Sensitivity
± 5 mm
Linear excursion
500 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
92.6
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
6.45
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.43

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
7.4
mm
Air volume displaced at xmax
VD
173
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.84
mH
VC Diameter
65
mm
Winding height
HVC
18
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Flux density
B
1.14
T
Force factor
Bl
12.94
N/A
Motor constant
Bl/√RE
5.73
N/√W
Air gap height
HAG
10
mm
Weight
0.22
kg
Material
Neodymium

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
41.9
g
Moving mass (without air load)
MMD
37.1
g
Material
Paper

Suspensions

Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
30.9
L
Mechanical resistance
RMS
2.37
N·s/m
Surround material
Treated Cloth

Dimensions

Nominal diameter
10
268
mm
Overall diameter
268
mm
Volume occupied by the driver (estimated)
0.91
L
Net weight
2.2
kg
Frame material
Aluminium Die-Cast
Jensen BS 10N/250A SPL & Impedance
Jensen BS 10N/250A Dimensions

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