Eminence Beta-12CX 12" Coaxial Speaker

$84.99
PA SKU # EMN BETA12CX MFR # BETA-12CX UPC # 876358000135
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  • 12" Coaxial Driver, 8 Ohm, 250 Watt

12" Coaxial Driver, 8 Ohm, 250 Watt

The Eminence Beta-12CX 12" 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-12CX'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: 12", 304.8mm
  • Nominal Impedance*: 8 ohms
  • Power Rating**
  • Watts: 250W
  • Music Program: 500W
  • Resonance: 47.33Hz
  • Usable Frequency Range: 57Hz - 4.6kHz
  • Sensitivity***: 97.3dB
  • Magnet Weight: 38 oz.
  • Gap Height: 0.31", 7.92mm
  • Voice Coil Diameter: 2", 50.8mm
  • THIELE & SMALL PARAMETERS
  • Resonant Frequency (fs): 47.33Hz
  • DC Resistance (Re): 5.42
  • Coil Inductance (Le): 0.64mH
  • Mechanical Q (Qms): 5.64
  • Electromagnetic Q (Qes): 0.52
  • Total Q (Qts): 0.48
  • Compliance Equivalent Volume (Vas): 120.94 liters / 4.27 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd): 188.6cc
  • Mechanical Compliance of Suspension (Cms): 0.3mm/N
  • BL Product (BL): 10.79 T-M
  • Diaphragm Mass Inc. Airload (MMs): 37.93 grams
  • Efficiency Bandwidth Product (EBP): 90.19
  • Maximum Linear Excursion (Xmax): 3.5mm
  • Surface Area of Cone (Sd): 538.87 cm2
  • Maximum Mechanical Limit (Xlim): 10.4mm
  • MOUNTING INFORMATION
  • Recommended Enclosure Volume
  • Sealed: 26.9-70.79 liters / 0.95-2.5 cu.ft.
  • Vented: 32.85-158.5 liters / 1.16-5.6 cu.ft.
  • Driver Volume Displaced: 122 cu.in. / 2 liters
  • Overall Diameter: 12.03", 305.56mm
  • Baffle Hole Diameter: 11.07", 281.18mm
  • Front Sealing Gasket: Fitted as standard
  • Rear Sealing Gasket: Fitted as standard
  • Mounting Holes Diameter: 0.25", 6.35mm
  • Mounting Holes B.C.D.: 11.59", 294.39mm
  • Depth: 4.47", 113.53mm
  • Net Weight: 7.8 lbs, 3.54 kg
  • Shipping Weight: 10 lbs, 4.54 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: Cloth cone edge
  • Dust Cap Composition: Screened cloth dust cap
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