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B&C Speakers 8FW51 – 8" Ferrite Midbass 8Ω
Efficient and weatherproof midbass with 400W program power, 97 dB sensitivity and wide response – perfect for two-way systems with compact cabinet volume.
- 400 W program power
- 97 dB sensitivity
- 51 mm copper voice coil
- Frequency range: 70 – 5000 Hz
- Ferrite magnet with shorting ring
- Ventilated slit for reduced compression
- Water resistant cone (TWP – both sides)
Thiele/Small parameters
| Fs | 74Hz |
| Qms | 9.3 |
| Qes | 0.21 |
| Qts | 0.21 |
| Vase | 12 dm³ |
| RE | 5.2 Ω |
| Smile | 0.56 mH |
| Bl | 17.7 Tm |
| MMS | 27g |
| Sd | 220 cm² |
| Xmax | ±6mm |
| η₀ | 2.23% |
| EBP | 352 Hz |
Assembly & Dimensions
| Outer diameter | 225mm |
| Mounting holes | 187mm |
| Bolt circle | 210mm |
| Depth | 91mm |
| Weight | ~5.3 kg |
| Recommended box volume | 12 dm³ |
| Recommended tuning | 74Hz |