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Usher 8137A 8" Kevlar/Carbon Fiber Woofer

Brand:|Part # 296-616

The Usher 8137A is a value leader in high performance 8" drivers. The unique Kevlar and Carbon Fiber woven cone offers the best the fibers have to offer: light weight and excellent rigidity.
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Part # 296-616
  • Carbon fiber and Kevlar woven cone
  • Heavy-duty cast frame
  • High compliance design for impressive dynamics

Product Details

Usher 8137A 8" Kevlar/Carbon Fiber Woofer

The Usher 8137A is an extremely capable high-performance 8" woofer. With a high compliance design, low bass output is still achievable in moderately sized vented cabinets. This Usher kevlar/carbon fiber woofer is outstanding for floor standing 8" two-way systems or for three-way bass duties.

Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)80 Watts
  • Power Handling (max)120 Watts
  • Impedance8 ohms
  • Frequency Response33 to 6,000 Hz
  • Sensitivity88 dB 1W/1m
  • Voice Coil Diameter1.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)32.73 Hz
  • DC Resistance (Re)5.8 ohms
  • Voice Coil Inductance (Le)0.3 mH
  • Mechanical Q (Qms)2.08
  • Electromagnetic Q (Qes)0.48
  • Total Q (Qts)0.39
  • Compliance Equivalent Volume (Vas)2.15 ft.³
  • Maximum Linear Excursion (Xmax)5 mm
Materials of Construction
  • Cone MaterialCarbon Fiber / Kevlar
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.29"
  • Baffle Cutout Diameter4.72"
  • Depth3.58"
  • # Mounting Holes6
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.53 ft.³
  • Sealed F372 Hz
  • Vented Volume1.15 ft.³
  • Vented F341 Hz
Usher 8137A 8" Kevlar/Carbon Fiber Woofer
  • BrandUsher
  • Part Number296-616
  • UPC844632016493
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (14 Reviews)
  • Weight6.2 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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Usher 8137A 8" Kevlar/Carbon Fiber Woofer

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