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
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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
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15″Subwoofer
fS
44 Hz
SD
881 cm²
40 - 1500 Hz
QTS
0.46
xmax
9.6 mm
SPL1W
96 dB
Bl/√RE
7.25
Pmax
900 W
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15″Woofer
fS
43 Hz
SD
855 cm²
45 - 3000 Hz
QTS
0.49
xmax
4.7 mm
SPL1W
95 dB
Bl/√RE
6.86
Pmax
500 W