Jensen Smooth BS 12N/250A
Bass Guitar Speaker
12″ / 320 mm
Nominal diameter
47 Hz
Resonance
0.43
Q factor
94 dB
Sensitivity
± 5.5 mm
Linear excursion
500 W
Program Power
.png)
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
47.0
Hz
Mechanical quality factor
QMS
12.58
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Maximum excursion before damage
xlim
8.9
mm
Air volume displaced at xmax
VD
292
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.0
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
14.37
N/A
Motor constant
Bl/√RE
6.13
N/√W
Air gap height
HAG
10
mm
Weight
0.22
kg
Material
Neodymium
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
56.7
g
Moving mass (without air load)
MMD
47.8
g
Material
Paper
Suspensions
Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
81.3
L
Mechanical resistance
RMS
1.33
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
320
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.5
kg
Frame material
Aluminium Die-Cast
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Jensen BS 12N/250A
.jpg.webp)
12″Subwoofer
fS
47 Hz
SD
543 cm²
50 - 4000 Hz
QTS
0.44
xmax
5.5 mm
SPL1W
94 dB
Bl/√RE
6.19
Pmax
500 W
.jpg.webp)
Beyma 12CMV28 Ω
12″Subwoofer
fS
49 Hz
SD
530 cm²
50 - 6000 Hz
QTS
0.47
xmax
7.0 mm
SPL1W
94 dB
Bl/√RE
5.59
Pmax
640 W
.png.webp)
12″Bass Guitar Speaker
fS
45 Hz
SD
531 cm²
45 - 3500 Hz
QTS
0.42
xmax
4.0 mm
SPL1W
94 dB
Bl/√RE
5.28
Pmax
400 W