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
![Jensen BP 12/250 Bass Guitar Speaker](/Jensen/BP12-250/Jensen_BP12-250_(Photo_1).png)
![Jensen BP 12/250 Bass Guitar Speaker](/Jensen/BP12-250/Jensen_BP12-250_(Photo_2).png)
![Jensen BP 12/250 Bass Guitar Speaker](/Jensen/BP12-250/Jensen_BP12-250_(Photo_3).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.6
- dB
- 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
- 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
- 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
- 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
- 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
- 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
- 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
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Jensen BP 12/250 SPL & Impedance](/Jensen/BP12-250/Jensen_BP12-250_(Frequency_response_+_Impedance).png)
![Jensen BP 12/250 Dimensions](/Jensen/BP12-250/Jensen_BP12-250_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)