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B&C 6NDL38 6-1/2" Neodymium Woofer

Brand:|Model: 6NDL38|Part # 294-646

B&C developed the 6NDL38 6-1/2" cast frame neodymium woofer/midrange for high output compact speaker systems.
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Part # 294-646
  • Designed for woofer and midrange applications
  • High-energy neodymium motor
  • 300 watt continuous program power
  • 1.5" copper voice coil on a polyimide former
  • Aluminum demodulation ring lowers distortion
  • 92 dB 1W/1m sensitivity
  • 6 mm Xmax

Product Details

B&C 6NDL38 6-1/2" Neodymium Woofer

B&C developed the 6NDL38 6-1/2" cast frame neodymium woofer/midrange for high output compact speaker systems. The rubber half-roll cone surround and long copper voice coil provide high excursion capability, and an aluminum demodulation ring reduces distortion.

Product Specifications
  • Nominal Diameter6-1/2"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)300 Watts
  • Impedance8 ohms
  • Frequency Response70 to 6,000 Hz
  • Sensitivity92 dB 1W/1m
  • Voice Coil Diameter1.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)72 Hz
  • DC Resistance (Re)5.2 ohms
  • Voice Coil Inductance (Le)0.6 mH
  • Mechanical Q (Qms)11.5
  • Electromagnetic Q (Qes)0.44
  • Total Q (Qts)0.42
  • Compliance Equivalent Volume (Vas)0.25 ft.³
  • BL Product (BL)9.5 Tm
  • Diaphragm Mass Inc. Airload (Mms)17g
  • Maximum Linear Excursion (Xmax)6 mm
  • Surface Area of Cone (Sd)132 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter7.4"
  • Baffle Cutout Diameter5.7"
  • Depth3.3"
  • Bolt Circle Diameter6.7"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.09 ft.³
  • Sealed F3135 Hz
  • Vented Volume0.24 ft.³
  • Vented F371 Hz
B&C 6NDL38 6-1/2" Neodymium Woofer
  • BrandB&C Speakers
  • Model6NDL38
  • Part Number294-646
  • UPC844632086021
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Weight3.3 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.


B&C 6NDL38 6-1/2" Neodymium Woofer

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Part # 294-646
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