MATCH UP W8BMW-S
2Ω
Shallow Subwoofer
| Nominal diameter | 8″ / 216 mm |
| Resonance | 49 Hz |
| Q factor | 0.53 |
| Sensitivity | 86.6 dB |
| Linear excursion | ± 4 mm |
| Program Power | 400 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 49Hz
- Mechanical quality factor QMS 3.80
- Electrical quality factor QES 0.61
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion (one way) xmax 4mm
- Air volume displaced at xmax VD 86cm³
- Power handling P 200W
- Program power Pmax 400W
Voice Coil
- Nominal impedance Z 2Ω
- DC resistance RE 2.0Ω
- Inductance (1kHz, estimated) LE 0.58mH
- VC Diameter 42.5mm
- Winding height HVC 12.5mm
Magnet
- Force factor Bl 7.1N/A
- Motor constant Bl/√RE 5.02N/√W
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 47.4g
- Moving mass (without air load) MMD 45g
- Material Extremely stiff fiberglass cone
Suspensions
- Stiffness KMS 4.76N/mm
- Compliance CMS 210µm/N
- Equivalent volume to the compliance VAS 13.9L
- Mechanical resistance RMS 3.97N·s/m
Dimensions
- Nominal diameter 8″
- 216mm
- Overall diameter 216mm
- Baffle cutout diameter 175mm
- Mounting depth 40mm
- Volume occupied by the driver (estimated) 1L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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