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B&C 8MDN51 8" Neodymium Woofer

Brand:|Model: 8MDN51|Part # 294-648

Highly recommended for compact 2-way speaker systems, the B&C Speakers 8MDN51 8" driver also performs well as the midbass/midrange element in high-output 3-way and 4-way designs, including line arrays.
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Part # 294-648
  • Great for line arrays and horn loading
  • Neodymium ring magnet assembly
  • Ventilated voice coil gap for reduced power compression
  • 2" aluminum voice coil on polyimide former
  • 400 watts continuous program power capacity
  • 70 – 4,000 Hz response
  • 97 dB 1W/1m sensitivity

Product Details

B&C 8MDN51 8" Neodymium Woofer

B&C's 8MDN51 8" woofer is an efficient and lightweight cast frame neodymium professional driver. Its ventilated voice coil gap ensures long term power handling and reduced power compression. Although the 8MDN51 will provide great results when loaded into direct radiating designs, it is also ideally suited for horn-loaded speaker systems.

Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)200 Watts
  • Power Handling (max)400 Watts
  • Impedance8 ohms
  • Frequency Response70 to 4,000 Hz
  • Sensitivity97 dB 1W/1m
  • Voice Coil Diameter2"
Thiele-Small Parameters
  • Resonant Frequency (Fs)70 Hz
  • DC Resistance (Re)5.1 ohms
  • Voice Coil Inductance (Le)0.8 mH
  • Mechanical Q (Qms)3.7
  • Electromagnetic Q (Qes)0.21
  • Total Q (Qts)0.2
  • Compliance Equivalent Volume (Vas)0.6 ft.³
  • BL Product (BL)15.3 Tm
  • Diaphragm Mass Inc. Airload (Mms)23g
  • Maximum Linear Excursion (Xmax)6 mm
  • Surface Area of Cone (Sd)220 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialFoam
  • Voice Coil Wire MaterialAluminum
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter8.8"
  • Baffle Cutout Diameter7.4"
  • Depth3.74"
  • Bolt Circle Diameter8.3"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.03 ft.³
  • Sealed F3299 Hz
  • Vented Volume0.07 ft.³
  • Vented F3199 Hz
B&C 8MDN51 8" Neodymium Woofer
  • BrandB&C Speakers
  • Model8MDN51
  • Part Number294-648
  • UPC844632086045
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight6.45 lbs.
  • California Prop 65

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

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