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B&C 8NDL51 8" Neodymium Woofer

Brand:|Model: 8NDL51|Part # 294-649
B&C's 8NDL51 8" speaker offers the efficiency and smooth response of a midrange driver and combines it with the Xmax capabilities of a woofer, making it perfect for a variety of compact pro PA loudspeaker applications.
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Due In: 2/17/2016
List Price$194.41
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$116.65
Part # 294-649
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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 polyimide former
  • 400 watts continuous program power capacity
  • 65 – 3,000 Hz response

Product Details

B&C 8NDL51 8" Neodymium Woofer

The B&C Speakers 8NDL51 is an efficient and lightweight cast frame 8" neodymium driver. Its ventilated voice coil gap ensures long term power handling and reduced power compression, and a copper cap on the pole piece reduces inductance and extends high frequency response. The 8NDL51 is highly recommended for compact 2-way speaker systems or as the midbass/midrange element in high-output 3-way and 4-way designs.

 



Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)200 Watts
  • Power Handling (max)400 Watts
  • Impedance8 ohms
  • Frequency Response65 to 3,000 Hz
  • Sensitivity94 dB 1W/1m
  • Voice Coil Diameter2"
Thiele-Small Parameters
  • Resonant Frequency (Fs)66 Hz
  • DC Resistance (Re)5.3 ohms
  • Voice Coil Inductance (Le)0.5 mH
  • Mechanical Q (Qms)3.6
  • Electromagnetic Q (Qes)0.41
  • Total Q (Qts)0.37
  • Compliance Equivalent Volume (Vas)0.5 ft.³
  • BL Product (BL)12.4 Tm
  • Diaphragm Mass Inc. Airload (Mms)28g
  • Maximum Linear Excursion (Xmax)7 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"
  • Depth3.5"
  • Bolt Circle Diameter8.3"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.11 ft.³
  • Sealed F3153 Hz
  • Vented Volume0.29 ft.³
  • Vented F388 Hz
B&C 8NDL51 8" Neodymium Woofer
  • BrandB&C Speakers
  • Model8NDL51
  • Part Number294-649
  • UPC844632086052
  • Product CategoryPro Woofers, Subwoofers & Midrange Speakers
  • Unit of MeasureEA
  • Product Rating
    (1 Reviews)
  • Weight4.8 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.

View similar products to the B&C 8NDL51 8" Neodymium Woofer
in the Pro Woofers, Subwoofers & Midrange Speakers product category.

Reviews

B&C 8NDL51 8" Neodymium Woofer
B&C 8NDL51 8" Neodymium Woofer is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Great driver!I put this into a vented box of 0.4 cu ft, tuned to 72 Hz. I crossed it over to a B&C DE250 w/ ME20 horn @ 1600 Hz. Sounds great! really punchy! Perfect for a satellite system paired with a good subwoofer.The driver appears to be very well made also. The fit and finish are excellent.
Date published: 2011-07-30
  • 2016-02-12T06:22CST
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Product Q&A

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B&C 8NDL51 8" Neodymium Woofer

Will this play loudly with only 75w RMS?

I have been reading alot that I shouldn't discount using an 8ohm driver just because it will be given less power than a 4ohm driver if it has a high efficiency. Given that this IS a high efficiency driver will it play quite loudly with only 75w RMS? I will be using it as a midbass only driver playing from 70-250hz only. My CAR amplifier is rated a clean 150w at 4ohms, but only 75w at 8ohms with this driver.Is this driver going to simply laugh at a measly 75w rms or it will it get goin' given it's high sensitivity?
Asked by: scottygreen1
yes very. it is very efficient.
Answered by: MattsWatts
Date published: 2012-05-31
  • 2016-02-12T06:49CST
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