B&C Speaker 8BG51
Subwoofer
8″ / 200 mm
Nominal diameter
52 Hz
Resonance
0.4
Q factor
90 dB
Sensitivity
± 6.5 mm
Linear excursion
500 W
Program Power
- Parts Express
- $$$
- Amazon.com
- $$$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 89.6
- dB
- Frequency response
- 50 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 52.0
- Hz
- Mechanical quality factor
- QMS
- 12.30
- Electrical quality factor
- QES
- 0.42
- Total quality factor
- QTS
- 0.40
- Maximum linear excursion
- xmax
- 6.5
- mm
- Air volume displaced at xmax
- VD
- 143
- cm³
- Power handling
- P
- 250
- W
- Program power
- Pmax
- 500
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.1
- Ω
- Inductance (1kHz)
- LE
- 0.5
- mH
- VC Diameter
- 51
- mm
- Winding height
- HVC
- 17
- mm
- Winding material
- Copper
- Former material
- Glass Fibre
- Flux density
- B
- 1.15
- T
- Force factor
- Bl
- 11.8
- N/A
- Motor constant
- Bl/√RE
- 5.23
- N/√W
- Air gap height
- HAG
- 8
- mm
- Material
- Neodymium Inside Slug
- Effective diameter
- 167
- mm
- Effective area
- SD
- 220
- cm²
- Moving mass
- MMS
- 35
- g
- Moving mass (without air load)
- MMD
- 32.5
- g
- Material
- Waterproof Front Side
- Stiffness
- KMS
- 3.75
- N/mm
- Compliance
- CMS
- 267
- µm/N
- Equivalent volume to the compliance
- VAS
- 18
- L
- Mechanical resistance
- RMS
- 0.93
- N·s/m
- Nominal diameter
- 8
- ″
- 200
- mm
- Overall diameter
- 225
- mm
- Baffle cutout diameter
- 187
- mm
- Overall depth
- 90
- mm
- Flange thickness
- 11
- mm
- Mounting depth
- 79
- mm
- Volume occupied by the driver
- 1.1
- L
- Net weight
- 1.85
- kg