Eminence Beta 8CX 8 Ohm 250W Coaxial Pro Audio Woofer Speaker - Perfect for PA Systems, Stage Monitors, and Home Studio Setups
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Description
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.
| Specification | |
| Nominal Basket Diameter | 8", 203 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | 500 W |
| Watts | 250 W |
| Resonance | 62 Hz |
| Usable Frequency Range | 95 Hz - 3.3 kHz |
| Sensitivity* | 92.9 dB |
| Magnet Weight | 38 oz. |
| Gap Height | 0.31", 7.9 mm |
| Voice Coil Diameter | 2", 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 Displaced | 0.028 cu.ft. / 0.79 liters |
| Overall Diameter | 8.24", 209.3 mm |
| Baffle Hole Diameter | 7.13", 181.1 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.22", 5.6mm |
| Mounting Holes B.C.D. | 7.75", 196.9mm |
| Depth | 3.5", 88.9 mm |
| 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 |
