Rockford Fosgate RM112D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 12″ / 305 mm |
| Resonance | 28.5 Hz |
| Q factor | 0.58 |
| Sensitivity | 90.7 dB |
| Linear excursion | ± 7 mm |
| Program Power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.7dB
Thiele & Small parameters
- Resonance frequency (free air) fS 28.5Hz
- Mechanical quality factor QMS 10.06
- Electrical quality factor QES 0.62
- Total quality factor QTS 0.58
Large signal parameters
- Maximum linear excursion (one way) xmax 7mm
- Air volume displaced at xmax VD 410cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 7.4Ω
- Inductance (1kHz, in series) LE 7.02mH
- VC Diameter 51mm
- Former material Aluminum
Magnet
- Force factor (in series) Bl 24.6N/A
- Motor constant Bl/√RE 6.39N/√W
- Weight 1.13kg
Diaphragm
- Effective diameter 273mm
- Effective area SD 585cm²
- Moving mass MMS 141g
- Moving mass (without air load) MMD 131g
Suspensions
- Stiffness KMS 4.51N/mm
- Compliance CMS 222µm/N
- Equivalent volume to the compliance VAS 108L
- Mechanical resistance RMS 2.5N·s/m
Dimensions
- Nominal diameter 12″
- 305mm
- Baffle cutout diameter 276mm
- Mounting depth 122mm
- Volume occupied by the driver 3.4L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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