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Eminence Beta 12CX - 12" 250W 8 Ohm Loudspeaker
SPL: 96.4 1W/1m Fs: 47 Hz Xmax: 3.5mm
Product Code: EMIBETA12CX | Brand:

£66.56 ex VAT

2-3 £78.37 ea.4-7 £77.58 ea.8+ £76.79 ea.
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£7.44 DELIVERY to mainland UK

Eminence Beta 12CX - 250W Coaxial 12" driver

Please note this unit does not come supplied with a compression driver!

Recommended for professional audio as a mid-bass in either vented, or sealed satellite or floor monitor enclosures. Also works nicely in vented two-way enclosures used for small coverage areas. Perfect for a compact monitor wedge - but don't forget the HF driver to go with it!
  • Nominal Basket Diameter 12", 304.8mm
  • Nominal Impedance* 8 ohms
  • Power Rating: Watts 250W, Music Program 500W
  • Resonance 47Hz
  • Usable Frequency Range 57Hz - 4.6kHz
  • Sensitivity*** 97.3B
  • Magnet Weight 38 oz.
  • Gap Height 0.31", 7.92mm
  • Voice Coil Diameter 2", 50.8mm

Thiele & Small Parameters:

  • Resonant Frequency (fs) 47Hz
  • DC Resistance (Re) 5.42 ohms
  • 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) 38 grams
  • Efficiency Bandwidth Product (EBP) 90
  • Maximum Linear Excursion (Xmax) 3.5mm
  • Surface Area of Cone (Sd) 538.9 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 32.85-158.58 liters / 1.16-5.6 cu.ft.
  • Driver Volume Displaced 0.071 cu.ft. / 2 liters
  • Overall Diameter 12.03", 305.6mm
  • Baffle Hole Diameter 11.07", 281.2mm
  • Front Sealing Gasket Fitted as standard
  • Rear Sealing Gasket Fitted as standard
  • Mounting Holes Diameter 0.25", 6.4mm
  • Mounting Holes B.C.D. 11.59", 294.3mm
  • Depth 4.47", 113.5mm
  • 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 Polyimide former
  • Magnet Composition Ferrite magnet
  • Core Details Extended core
  • Basket Materials Pressed steel basket
  • Cone Composition Paper Cone
  • Cone Edge Composition Cloth cone edge
  • Dust Cap Composition Screened cloth dust cap

Eminence suggest using either a PSD2002 or an ASD1001

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