B² RAMPAGE8 D1
2x1Ω
2x2ΩSubwoofer
| Nominal diameter | 8″ / 220 mm |
| Resonance | 39 Hz |
| Q factor | 0.50 |
| Sensitivity | 81 dB |
| Linear excursion | ± 20 mm |
| Program Power | 2000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39Hz
- Mechanical quality factor QMS 5.67
- Electrical quality factor QES 0.55
- Total quality factor QTS 0.50
Large signal parameters
- Maximum linear excursion (one way) xmax 20mm
- Air volume displaced at xmax VD 390cm³
- Power handling P 1000W
- Program power Pmax 2000W
- Peak power Ppeak 2000W
Voice Coil
- Nominal impedance Z 2 x 1Ω
- DC resistance (in series) RE 2.0Ω
- Inductance (1kHz, in series, estimated) LE 1.16mH
- VC Diameter 50.8mm
Magnet
- Force factor (in series) Bl 11N/A
- Motor constant Bl/√RE 7.78N/√W
- Diameter 176mm
- Weight 8.5kg
Diaphragm
- Effective diameter 158mm
- Effective area SD 195cm²
- Moving mass MMS 135g
- Moving mass (without air load) MMD 133g
Suspensions
- Stiffness KMS 10N/mm
- Compliance CMS 100µm/N
- Equivalent volume to the compliance VAS 5.4L
- Mechanical resistance RMS 5.84N·s/m
Dimensions
- Nominal diameter 8″
- 220mm
- Overall diameter 220mm
- Baffle cutout diameter 185mm
- Mounting depth 150mm
- Volume occupied by the driver 3.3L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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