BMS 8S215
Woofer
8″ / 205 mm
Nominal diameter
88 Hz
Resonance
0.31
Q factor
96 dB
Sensitivity
± 4.25 mm
Linear excursion
400 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 95.9
- dB
- Frequency response
- 80 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 87.7
- Hz
- Mechanical quality factor
- QMS
- 4.40
- Electrical quality factor
- QES
- 0.33
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 4.25
- mm
- Air volume displaced at xmax
- VD
- 94
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.4
- Ω
- Inductance (1kHz)
- LE
- 0.2
- mH
- VC Diameter
- 51
- mm
- Winding height
- HVC
- 15
- mm
- Winding material
- Copper
- Force factor
- Bl
- 13.6
- N/A
- Motor constant
- Bl/√RE
- 5.85
- N/√W
- Air gap height
- HAG
- 6.5
- mm
- Material
- Ferrite
- Effective diameter
- 168
- mm
- Effective area
- SD
- 222
- cm²
- Moving mass
- MMS
- 20.6
- g
- Moving mass (without air load)
- MMD
- 18.2
- g
- Stiffness
- KMS
- 6.25
- N/mm
- Compliance
- CMS
- 160
- µm/N
- Equivalent volume to the compliance
- VAS
- 11
- L
- Mechanical resistance
- RMS
- 2.58
- N·s/m
- Nominal diameter
- 8
- ″
- 205
- mm
- Overall diameter
- 205
- mm
- Baffle cutout diameter
- 182
- mm
- Overall depth
- 100
- mm
- Volume occupied by the driver (estimated)
- 1.1
- L
- Net weight
- 3.25
- kg
- Frame material
- Cast Aluminum