B&C Speaker 8FG51
8Ω
Woofer
| Nominal diameter | 8″ / 200 mm |
| Resonance | 49 Hz |
| Q factor | 0.32 |
| Sensitivity | 90.3 dB |
| Linear excursion | ± 6.5 mm |
| Program Power | 500 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
- Frequency response 50 - 4000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 49Hz
- Mechanical quality factor QMS 9.00
- Electrical quality factor QES 0.34
- Total quality factor QTS 0.32
Large signal parameters
- Maximum linear excursion (one way) xmax 6.5mm
- Air volume displaced at xmax VD 143cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.1Ω
- Inductance (1kHz) LE 0.5mH
- VC Diameter 51mm
- Winding height HVC 17mm
- Winding material Copper
- Former material Glass Fibre
Magnet
- Flux density B 1.15T
- Force factor Bl 12.9N/A
- Motor constant Bl/√RE 5.71N/√W
- Air gap height HAG 8mm
- Material Ferrite
Diaphragm
- Effective diameter 167mm
- Effective area SD 220cm²
- Moving mass MMS 35g
- Moving mass (without air load) MMD 32.5g
- Material Waterproof Front Side
Suspensions
- Stiffness KMS 3.41N/mm
- Compliance CMS 293µm/N
- Equivalent volume to the compliance VAS 20L
- Mechanical resistance RMS 1.2N·s/m
Dimensions
- Nominal diameter 8″
- 200mm
- Overall diameter 225mm
- Baffle cutout diameter 187mm
- Overall depth 93mm
- Flange thickness 11mm
- Mounting depth 82mm
- Volume occupied by the driver 1.5L
- Net weight 3.4kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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