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Eminence Beta-8CX - 8 ohm 8" 250W Coaxial Ready Pro Audio Woofer

Eminence Beta-8CX - 8 ohm 8" 250W Coaxial Ready Pro Audio Woofer
Ship weight
3.41 kg
Priced per:
8 ohm
Specifications Sheet:
Cabinet Design:
Your price:
CDN $114.97
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Recommended for professional audio mid-range reproduction in sealed enclosures. Also suitable for mid-bass or floor monitor applications in vented 2-way cabinets.

Note:The Beta 8CXA also requires a compression driver and crossover network to work as a co-axial driver. Items sold separately.

Speaker Detail
Nominal Basket Diameter8", 203 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power500 W
Watts250 W
Resonance62 Hz
Usable Frequency Range95 Hz - 3.3 kHz
Sensitivity*92.9 dB
Magnet Weight38 oz.
Gap Height0.31", 7.9 mm
Voice Coil Diameter2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs)62 Hz
DC Resistance (Re)5.37 Ω
Coil Inductance (Le)0.67m H
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)67.2 cc
Mechanical Compliance of Suspension (Cms)0.35 mm/N
BL Product (BL)11.21 T-M
Diaphragm Mass Inc. Airload (MMs)19 grams
Efficiency Bandwidth Product (EBP)201
Maximum Linear Excursion (Xmax)3.2 mm
Surface Area of Cone (Sd)210 cm2
Maximum Mechanical Limit (Xlim)6.9 mm
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 Displaced0.028 cu.ft. / 0.79 liters
Overall Diameter8.24", 209.3 mm
Baffle Hole Diameter7.13", 181.1 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.22", 5.6mm
Mounting Holes B.C.D.7.75", 196.9mm
Depth3.5", 88.9 mm
Net Weight6.8 lbs, 3.08 kg
Shipping Weight7.5 lbs, 3.4 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerKapton former
Magnet CompositionFerrite magnet
Core DetailsTapered Coax
Basket MaterialsPressed steel basket
Cone CompositionPaper Cone
Cone Edge CompositionSealed cloth cone edge
Dust Cap CompositionZurette dust cap
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