Eminence Beta-8CX 8" Coaxial Speaker

$79.99
PA SKU # EMN BETA8CX MFR # BETA-8CX UPC # 876358000074
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  • 8" Coaxial Driver, 8 Ohm, 250 Watt

8" Coaxial Driver, 8 Ohm, 250 Watt

The Eminence Beta-8CX 8" Coaxial Driver is recommended for professional audio midrange reproduction in sealed loudspeaker enclosures. Also suitable for midbass or floor monitor applications in vented 2-way speaker cabinets. The Beta-8CX's coaxial design facilitates use of an HF driver to extend frequency response. HF device sold separately. Made in the USA. 7-year manufacturer's warranty!
  • Kapton coil former
  • Polyamide-imide coated copper voice coil
  • Ferrite magnet
  • Extended pole piece
  • Pressed steel basket
  • Paper cone
  • Cloth accordian surround
  • SPECIFICATION
  • Nominal Basket Diameter: 8", 203.2mm
  • Nominal Impedance*: 8 ohms
  • Power Rating**
  • Watts: 250W
  • Music Program: 500W
  • Resonance: 62.09Hz
  • Usable Frequency Range: 95Hz - 3.3kHz
  • Sensitivity***: 92.9dB
  • Magnet Weight: 38 oz.
  • Gap Height: 0.31", 7.92mm
  • Voice Coil Diameter: 2", 50.8mm
  • THIELE & SMALL PARAMETERS
  • Resonant Frequency (fs): 62.09Hz
  • DC Resistance (Re): 5.37
  • Coil Inductance (Le): 0.67mH
  • Mechanical Q (Qms): 6.57
  • Electromagnetic Q (Qes): 0.31
  • Total Q (Qts): 0.29
  • Compliance Equivalent Volume (Vas): 21.43 liters / 0.76 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd): 67.2cc
  • Mechanical Compliance of Suspension (Cms): 0.35mm/N
  • BL Product (BL): 11.21 T-M
  • Diaphragm Mass Inc. Airload (MMs): 18.51 grams
  • Efficiency Bandwidth Product (EBP): 201.3
  • Maximum Linear Excursion (Xmax): 3.2mm
  • Surface Area of Cone (Sd): 210 cm2
  • Maximum Mechanical Limit (Xlim): 6.9mm
  • MOUNTING INFORMATION
  • Recommended Enclosure Volume
  • Sealed: 3.4-9.91 liters / 0.12-0.35 cu.ft.
  • Vented: 7.08-16.99 liters / 0.25-0.6 cu.ft.
  • Driver Volume Displaced: 48.4 cu.in. / 0.79 liters
  • Overall Diameter: 8.24", 209.3mm
  • Baffle Hole Diameter: 7.13", 181.1mm
  • Front Sealing Gasket: Fitted as standard
  • Rear Sealing Gasket: Fitted as standard
  • Mounting Holes Diameter: 0.22", 5.58mm
  • Mounting Holes B.C.D.: 7.75", 196.85mm
  • Depth: 3.5", 88.9mm
  • Net Weight: 6.8 lbs, 3.08 kg
  • Shipping Weight: 7.5 lbs, 3.4 kgs
  • MATERIALS OF CONSTRUCTION
  • Coil Construction: Copper voice coil
  • Coil Former: Kapton former
  • Magnet Composition: Ferrite magnet
  • Core Details: Tapered Coax
  • Basket Materials: Pressed steel basket
  • Cone Composition: Paper Cone
  • Cone Edge Composition: Sealed cloth cone edge
  • Dust Cap Composition: Zurette dust cap
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