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B&C 8NW51 8" Neodymium Woofer

Brand:| Model: 8NW51
Overview
Compact, versatile, and reliable, the B&C Speakers 8NW51 8" woofer uses its strong neo magnet and FEA-optimized motor structure to produce solid bass and clean midrange.
Highlights
  • Great for line arrays and horn loading
  • Neodymium magnet assembly
  • Ventilated voice coil gap for reduced power compression
  • Inductance-reducing copper cap on pole piece extends HF response
  • 2" copper voice coil on fiberglass former
  • 400 watts continuous program power capacity
  • 70 – 3,000 Hz response
Part # 
294-655
Weight: 6.6 lbs.  
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Part # 294-655
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Product Details

B&C 8NW51 8" Neodymium Woofer

The B&C 8NW51 8" neodymium woofer is recommended for compact 2-way speaker systems or as the midbass/midrange element in high-output 3-way and 4-way designs. High BL and sensitivity combined with a low Qts make this an ideal driver for horn-loaded applications.



Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)200 Watts
  • Power Handling (max)400 Watts
  • Impedance8 ohms
  • Frequency Response70 to 3,000 Hz
  • Sensitivity97 dB 1W/1m
  • Voice Coil Diameter2"
Thiele-Small Parameters
  • Resonant Frequency (Fs)74 Hz
  • DC Resistance (Re)5.2 ohms
  • Voice Coil Inductance (Le)0.4 mH
  • Mechanical Q (Qms)2.7
  • Electromagnetic Q (Qes)0.19
  • Total Q (Qts)0.17
  • Compliance Equivalent Volume (Vas)0.4 ft.³
  • BL Product (BL)18.9 Tm
  • Diaphragm Mass Inc. Airload (Mms)28g
  • Maximum Linear Excursion (Xmax)6 mm
  • Surface Area of Cone (Sd)220 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialCloth
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerFiberglass
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter8.8"
  • Baffle Cutout Diameter7.4"
  • Depth4"
  • Bolt Circle Diameter8.3"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.02 ft.³
  • Sealed F3333 Hz
  • Vented Volume0.04 ft.³
  • Vented F3227 Hz
B&C 8NW51 8" Neodymium Woofer
  • BrandB&C Speakers
  • Model8NW51
  • Part Number294-655
  • UPC844632086069
  • Product CategoryWoofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight6.6 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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B&C 8NW51 8" Neodymium Woofer

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B&C 8NW51 8" Neodymium Woofer

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