MATCH UP W8BMW-S
Shallow Subwoofer
8″ / 216 mm
Nominal diameter
49 Hz
Resonance
0.53
Q factor
87 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.6
- dB
- Resonance frequency (free air)
- fS
- 49.0
- Hz
- Mechanical quality factor
- QMS
- 3.80
- Electrical quality factor
- QES
- 0.61
- Total quality factor
- QTS
- 0.53
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 86
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 2
- Ω
- DC resistance
- RE
- 2.0
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.29
- mH
- VC Diameter
- 43
- mm
- Winding height
- HVC
- 12.5
- mm
- Force factor
- Bl
- 7.1
- N/A
- Motor constant
- Bl/√RE
- 5.02
- N/√W
- Effective diameter
- 165
- mm
- Effective area
- SD
- 214
- cm²
- Moving mass
- MMS
- 47.4
- g
- Moving mass (without air load)
- MMD
- 45
- g
- Material
- Extremely stiff fiberglass cone
- Stiffness
- KMS
- 4.76
- N/mm
- Compliance
- CMS
- 210
- µm/N
- Equivalent volume to the compliance
- VAS
- 13.9
- L
- Mechanical resistance
- RMS
- 3.97
- N·s/m
- Nominal diameter
- 8
- ″
- 216
- mm
- Overall diameter
- 216
- mm
- Baffle cutout diameter
- 175
- mm
- Mounting depth
- 40
- mm
- Volume occupied by the driver (estimated)
- 1.0
- L