Jensen Smooth BS 15N/350A

Bass Guitar Speaker

15″ / 388 mm
Nominal diameter
45 Hz
Resonance
0.46
Q factor
96 dB
Sensitivity
± 5.5 mm
Linear excursion
700 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
96.1
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
7.64
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.46

Large signal parameters

Maximum linear excursion
xmax
5.5
mm
Maximum excursion before damage
xlim
11.5
mm
Air volume displaced at xmax
VD
470
cm³
Power handling
P
350
W
Program power
Pmax
700
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.78
mH
VC Diameter
75
mm
Winding height
HVC
21
mm
Winding material
Aluminum
Former material
Glass Fiber

Magnet

Flux density
B
1.17
T
Force factor
Bl
15.23
N/A
Motor constant
Bl/√RE
6.74
N/√W
Air gap height
HAG
10
mm
Weight
0.36
kg
Material
Neodymium

Diaphragm

Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
80.9
g
Moving mass (without air load)
MMD
63.5
g
Material
Paper

Suspensions

Stiffness
KMS
6.33
N/mm
Compliance
CMS
158
µm/N
Equivalent volume to the compliance
VAS
163
L
Mechanical resistance
RMS
2.99
N·s/m
Surround material
Treated Cloth

Dimensions

Nominal diameter
15
388
mm
Overall diameter
388
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
4.0
kg
Frame material
Aluminium Die-Cast
Jensen BS 15N/350A SPL & Impedance
Jensen BS 15N/350A Dimensions

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