B² RAMPAGE18 ELITE D1
2x1Ω
2x2ΩSubwoofer
| Nominal diameter | 18″ / 460 mm |
| Resonance | 26.3 Hz |
| Q factor | 0.41 |
| Sensitivity | 88.6 dB |
| Linear excursion | ± 40 mm |
| Program Power | 8000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 26.3Hz
- Mechanical quality factor QMS 7.74
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.41
Large signal parameters
- Maximum linear excursion (one way) xmax 40mm
- Air volume displaced at xmax VD 4890cm³
- Power handling P 4000W
- Program power Pmax 8000W
- Peak power Ppeak 12000W
Voice Coil
- Nominal impedance Z 2 x 1Ω
- DC resistance (in series) RE 2.0Ω
- Inductance (1kHz, in series, estimated) LE 3.82mH
- VC Diameter 101.6mm
Magnet
- Force factor (in series) Bl 24.9N/A
- Motor constant Bl/√RE 17.6N/√W
- Diameter 305mm
- Height 139mm
- Weight 39.69kg
Diaphragm
- Effective diameter 395mm
- Effective area SD 1223cm²
- Moving mass MMS 807g
- Moving mass (without air load) MMD 777g
Suspensions
- Stiffness KMS 25N/mm
- Compliance CMS 40µm/N
- Equivalent volume to the compliance VAS 84.8L
- Mechanical resistance RMS 17.2N·s/m
Dimensions
- Nominal diameter 18″
- 460mm
- Overall diameter 468mm
- Baffle cutout diameter 425mm
- Mounting depth 322mm
- Volume occupied by the driver 20.6L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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