Pride M45.12 D2
2x1Ω
2x2Ω
Subwoofer
12″ / 325 mm
Nominal diameter
28 Hz
Resonance
0.21
Q factor
87 dB
Sensitivity
± 36 mm
Linear excursion
9000 W
Program Power
![Pride M45.12 D2 Subwoofer](/Pride/M45.12_D2/Pride_M45.12_D2_(Photo_1).jpg)
![Pride M45.12 D2 Subwoofer](/Pride/M45.12_D2/Pride_M45.12_D2_(Photo_2).jpg)
![Pride M45.12 D2 Subwoofer](/Pride/M45.12_D2/Pride_M45.12_D2_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.2
- dB
- Resonance frequency (free air)
- fS
- 27.7
- Hz
- Mechanical quality factor
- QMS
- 3.75
- Electrical quality factor
- QES
- 0.23
- Total quality factor
- QTS
- 0.21
- Maximum linear excursion
- xmax
- 36.0
- mm
- Air volume displaced at xmax
- VD
- 1908
- cm³
- Power handling
- P
- 4500
- W
- Program power
- Pmax
- 9000
- W
- Nominal impedance
- Z
- 2 x 2
- Ω
- DC resistance (in series)
- RE
- 2.8
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 1.4
- mH
- VC Diameter
- 102
- mm
- Winding material
- Flat aluminum
- Force factor (in series)
- Bl
- 27.7
- N/A
- Motor constant
- Bl/√RE
- 16.6
- N/√W
- Diameter
- 256
- mm
- Height
- 78
- mm
- Effective diameter
- 260
- mm
- Effective area
- SD
- 530
- cm²
- Moving mass
- MMS
- 352
- g
- Moving mass (without air load)
- MMD
- 343
- g
- Material
- Carbon (real)
- Stiffness
- KMS
- 10.53
- N/mm
- Compliance
- CMS
- 95
- µm/N
- Equivalent volume to the compliance
- VAS
- 37.7
- L
- Mechanical resistance
- RMS
- 16.34
- N·s/m
- Nominal diameter
- 12
- ″
- 325
- mm
- Overall diameter
- 325
- mm
- Baffle cutout diameter
- 307
- mm
- Mounting depth
- 260
- mm
- Volume occupied by the driver
- 6.0
- L
- Net weight
- 42.0
- kg
- Frame material
- Aluminium
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Pride M45.12 D2 Dimensions](/Pride/M45.12_D2/Pride_M45.12_D2_(Dimensions).jpg)
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)