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B&C 15HCX76 15" Neodymium Coaxial Speaker 60 x 40 Degree

Brand:|Model: 15HCX76|Part # 294-579

The B&C 15HCX76 marries the impressive low frequency output of a 15" woofer with the HF directivity of a coaxially mounted high-directivity large format compression driver.
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List Price$790.04
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Part # 294-579
  • Tight, long throw HF directivity
  • Efficient, low-distortion coaxial design
  • Strong, lightweight neodymium integrated magnetic structure
  • Woofer rated at 800 watt continuous program power handling
  • Cloth multi-roll surround, light moving mass, and exponential cone geometry
  • Titanium diaphragm high frequency driver with polyester surround
  • Circular HF waveguide

Product Details

B&C 15HCX76 15" Neodymium Coaxial Speaker 60 x 40 Degree

The B&C 15HCX76 15" coaxial speaker features a tighter high frequency coverage characteristic that focuses output and improves throw. It is also useful for stage monitor applications that demand concentrated output and minimum "spillage". The 15HCX76's exceptionally precise pattern control is attributable to a carefully engineered waveguide coupled to the large-format high frequency driver.

A single, integrated neodymium magnetic assembly provides motor force to both the low and high frequency driver sections. The 15HCX76 is especially recommended for compact bass reflex enclosures and long-throw ceiling applications like hotel ballroom installations. Crossover not included. Recommended 12 dB/octave crossover frequency: 1,200 Hz.

B&C cone loudspeaker models range from 6.5" to 21", each built on a sturdy die-cast aluminum or stamped steel chassis for maximum mechanical reliability. Voice coils are wound in two layers inside-outside around polyimide or fiberglass formers, giving them the ability to withstand very high thermal stress. Loudspeaker cones are treated with a special stiffening finish, resulting in excellent rigidity and avoiding break-up problems when driven to full power. 

Many B&C speakers include carefully balanced copper or aluminum rings that minimize variations in the magnetic field during operation, reducing distortion and increasing accuracy in reproduced sound. Most models also feature a specially designed cooling path through the magnet assembly to further increase power handling and lower power compression. The NDL, NW, HPL, and NCX models use powerful neodymium magnets that offer a weight reduction of up to 60%, and special chassis designs for improved cooling. 

The design and optimization are performed with up-to-date Finite Element Analysis (FEA) to obtain the best combination of efficiency, linearity, and thermal exchange. Ongoing research and refining of the theoretical models and a constant updating of the measurement methods and instruments allow B&C to further increase excursion capabilities, consistency, and overall sound quality.


Product Specifications
  • Nominal Diameter15"
  • Power Handling (RMS)400 Watts
  • Power Handling (max)800 Watts
  • Impedance8 ohms
  • Frequency Response40 to 18,000 Hz
  • Sensitivity99 dB 1W/1m
  • Voice Coil Diameter3"
Thiele-Small Parameters
  • Resonant Frequency (Fs)38 Hz
  • DC Resistance (Re)5.1 ohms
  • Voice Coil Inductance (Le)0.9 mH
  • Mechanical Q (Qms)5.8
  • Electromagnetic Q (Qes)0.3
  • Total Q (Qts)0.28
  • Compliance Equivalent Volume (Vas)8.6 ft.³
  • BL Product (BL)17.8 Tm
  • Diaphragm Mass Inc. Airload (Mms)82g
  • Maximum Linear Excursion (Xmax)4.5 mm
  • Surface Area of Cone (Sd)855 cm²
Materials of Construction
  • Cone MaterialPaper
  • Voice Coil Wire MaterialCopper
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter15.5"
  • Baffle Cutout Diameter13.94"
  • Depth7.8"
  • Bolt Circle Diameter14.7"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume1.2 ft.³
  • Sealed F3106 Hz
  • Vented Volume2.38 ft.³
  • Vented F367 Hz
B&C 15HCX76 15" Neodymium Coaxial Speaker 60 x 40 Degree
  • BrandB&C Speakers
  • Model15HCX76
  • Part Number294-579
  • UPC844632086182
  • Product CategoryPro Coaxial Full-Range Speakers
  • Unit of MeasureEA
  • Weight12.3 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.

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B&C 15HCX76 15" Neodymium Coaxial Speaker 60 x 40 Degree

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