Jensen Punch BP 12/250
Bass Guitar Speaker
12″ / 318 mm
Nominal diameter
50 Hz
Resonance
0.32
Q factor
96 dB
Sensitivity
± 3.1 mm
Linear excursion
500 W
Program Power
.png)
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.6
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
50.2
Hz
Mechanical quality factor
QMS
5.14
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
3.1
mm
Maximum excursion before damage
xlim
5.5
mm
Air volume displaced at xmax
VD
152
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.94
mH
VC Diameter
65
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.15
T
Force factor
Bl
16.4
N/A
Motor constant
Bl/√RE
6.58
N/√W
Air gap height
HAG
10
mm
Weight
1.45
kg
Material
Ferrite
Diaphragm
Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
46.6
g
Moving mass (without air load)
MMD
38.5
g
Material
Paper
Suspensions
Stiffness
KMS
4.63
N/mm
Compliance
CMS
216
µm/N
Equivalent volume to the compliance
VAS
73.5
L
Mechanical resistance
RMS
2.86
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
12
″
318
mm
Overall diameter
318
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.8
kg
Frame material
Pressed Sheet
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Jensen BP 12/250
.jpg.webp)
12″Woofer
fS
49 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.33
xmax
4.7 mm
SPL1W
95 dB
Bl/√RE
7.23
Pmax
500 W
.jpg.webp)
12″Subwoofer
fS
50 Hz
SD
540 cm²
50 - 4000 Hz
QTS
0.29
xmax
7.3 mm
SPL1W
96 dB
Bl/√RE
7.66
Pmax
1200 W
.png.webp)
12″Mid Bass
fS
55 Hz
SD
522 cm²
55 - 3000 Hz
QTS
0.29
xmax
5.0 mm
SPL1W
96 dB
Bl/√RE
6.8
Pmax
500 W