B&C 8NW51
€0.00
- 400 W continuous program power capacity
- 50 mm (2 in) copper voice coil
- 70 – 3000 Hz response
- 96.5 dB sensitivity
- Neodymium ring magnet assembly
- Shorting copper cap for extended HF response
- Ventilated voice coil gap for reduced power compression
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|
SPECIFICATIONS |
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Nominal Basket Diameter |
8″ / 200mm |
|
Impedance |
8 or 16 ohms |
|
RMS Power Rating |
200 Watts |
| Program Power | 400 Watts |
|
Frequency Response |
70Hz – 3.0kHz |
|
Sensitivity (1W/1m) |
96.5dB |
|
Voice Coil Diameter |
2.0” / 51mm |
| Winding Material | Copper |
| Former Material | Kapton |
| Winding Depth | .73″ / 18.5mm |
| Magnetic Gap Depth | .4″ / 10mm |
| Flux Density | 1.3T |
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MOUNTING INFORMATION |
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| Overall Diameter | 8.8″ / 225mm |
| Bolt Circle Diameter | 8.3″ / 210mm |
| Baffle Cutout Diameter | 7.4″ / 187mm |
| Depth | 4” / 100mm |
| Flange & Gasket Thickness | .4″ / 11mm |
| No. Of Mounting Holes | 8 |
| Net Weight | 6.6 lbs./ 3 kg. |
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THIELE-SMALL PARAMETERS |
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|
Resonant Frequency (fs) |
74 Hz |
| Impedance (Re) | 5.2 ohms |
| Electrical Factor(Qes) | .19 |
| Mechanical Q (Qms) | 2.7 |
| Total Q (Qts) | .17 |
| Compliance Equiv. Vol. (Vas) | 11 Liters/.4cu. ft. |
| Voice Coil Overhang (Xmax) | 6.0mm |
| Reference Efficiency | 2.4% |
| BL Factor | 18.9 T-M |
| Coil Inductance (Le) | 0.4mH |
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