For all high power bass applications including bass guitar. Nominal Basket Diameter Impedance Power RatingResonanceUsable Frequency Range (with APT-50 and pxb2:3k5)SensitivityMagnet WeightGap HeightVoice Coil Diameter
Mounting Information Recommended Enclosure Volume (vented)Overall Diameter Baffle Hole Diameter Front Sealing GasketRear Sealing Gasket Mounting Holes Diameter Mounting Holes B.C.D. DepthShipping Weight
Thiele-Small ParametersResonant Frequency (fs)Impedance (Re) Coil Inductance (Le)Electromagnetic Q (Qes)Mechanical Q (Qms)Total Q (Qts)Compliance Equivalent Volume (Vas)Peak Diaphragm Displacement Volume (Vd)Mechanical Compliance of Suspension (Cms)BL Product (BL)Diaphragm Mass inc. Airload (Mms)Equiv. Resistance of Mechanical Suspension Loss (Rms)Efficiency Bandwidth Product (EBP)Voice Coil Overhang (Xmax)Surface Area of Cone (Sd)Impedance at Resonance (Zmax)Maximum Mechanical Limit (Xmech)
8", 203.2mm8
8.5 - 15.5 liters 0.3 - 0.55 cu. ft.8.24", 209.2mm7.13", 181mmfitted as standardfitted as standard0.218", 5.5mm7.75", 196.9mm3.5", 89mm7.8lbs., 3.6 kg.
54Hz5.53 ohms0.96mH0.317.670.3034.9 liters1.23 cu. ft.62cc0.59mm/N9.5 T-M15 grams0.66N*sec/M1753.0mm205.9cm2143 ohms13.72mm
Eminence response curves are measured under the following controlled test conditions:
To download spec sheets: Beta 8CX
Application Notes
The Beta 8CX is a coaxial speaker to which a compression driver must beattached. Eminence recommends the APT-50 supertweeter with the APT-3adaptor and the pxb2:3k5 2-way crossover with this product (not included). Ideal for full-range, near field and monitoring applications.
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Materials of Construction
Kapton coil former forincreased rigidity and thermal protection
Polyamide-imide coated two-layer, 30ga., copper voice coil for improved power handling and durability.
Ferrite Magnet
Extended core for increased power handling
Premium pressed steel basket for maximum strength
Paper cone
Cloth cone edge
Screened cloth dust cap
Aluminum horn