Rockford Fosgate PM212S4
Subwoofer
12″ / 305 mm
Nominal diameter
26 Hz
Resonance
0.52
Q factor
83 dB
Sensitivity
± 12 mm
Linear excursion
600 W
Program Power
.png)
.png)
.png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 83.1
- dB
- Resonance frequency (free air)
- fS
- 25.5
- Hz
- Mechanical quality factor
- QMS
- 9.00
- Electrical quality factor
- QES
- 0.55
- Total quality factor
- QTS
- 0.52
- Maximum linear excursion
- xmax
- 12.0
- mm
- Air volume displaced at xmax
- VD
- 612
- cm³
- Power handling
- P
- 300
- W
- Program power
- Pmax
- 600
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz)
- LE
- 0.3
- mH
- VC Diameter
- 51
- mm
- Former material
- Aluminum
- Force factor
- Bl
- 17.1
- N/A
- Motor constant
- Bl/√RE
- 9.71
- N/√W
- Weight
- 0.08
- kg
- Effective diameter
- 255
- mm
- Effective area
- SD
- 510
- cm²
- Moving mass
- MMS
- 324.6
- g
- Moving mass (without air load)
- MMD
- 316.4
- g
- Stiffness
- KMS
- 8.33
- N/mm
- Compliance
- CMS
- 120
- µm/N
- Equivalent volume to the compliance
- VAS
- 44.3
- L
- Mechanical resistance
- RMS
- 5.78
- N·s/m
- Nominal diameter
- 12
- ″
- 305
- mm
- Baffle cutout diameter
- 278
- mm
- Mounting depth
- 155
- mm
- Volume occupied by the driver
- 7.31
- L
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.png.webp)
.jpg.webp)
.jpg.webp)