B² RAMPAGE12 D2
2x1Ω
2x2Ω
Subwoofer
| Nominal diameter | 12″ / 300 mm |
| Resonance | 33.8 Hz |
| Q factor | 0.47 |
| Sensitivity | 82.5 dB |
| Linear excursion | ± 40 mm |
| Program Power | 8000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 33.8Hz
- Mechanical quality factor QMS 7.59
- Electrical quality factor QES 0.50
- Total quality factor QTS 0.47
Large signal parameters
- Maximum linear excursion (one way) xmax 40mm
- Air volume displaced at xmax VD 1949cm³
- Power handling P 4000W
- Program power Pmax 8000W
- Peak power Ppeak 12000W
Voice Coil
- Nominal impedance Z 2 x 2Ω
- DC resistance (in series) RE 3.6Ω
- Inductance (1kHz, in series, estimated) LE 5.95mH
- VC Diameter 101.6mm
Magnet
- Force factor (in series) Bl 31.5N/A
- Motor constant Bl/√RE 16.6N/√W
- Diameter 260mm
- Height 125mm
- Weight 31.18kg
Diaphragm
- Effective diameter 249mm
- Effective area SD 487cm²
- Moving mass MMS 650g
- Moving mass (without air load) MMD 642g
Suspensions
- Stiffness KMS 33.3N/mm
- Compliance CMS 30µm/N
- Equivalent volume to the compliance VAS 10.1L
- Mechanical resistance RMS 18.2N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 316mm
- Baffle cutout diameter 282mm
- Mounting depth 253mm
- Volume occupied by the driver 10.2L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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