8 ohms Power Rating Watts 250W Music Program 500W Resonance 63Hz Usable Frequency Range 74Hz-20kHz Sensitivity**
93.3 Magnet Weight 38 oz. Gap Height 0.313", 7.94mm Voice Coil Diameter 2", 50.8mm
THIELE & SMALL PARAMETERS Resonant Frequency (fs) 65.52Hz DC Resistance (Re) 5.6 Coil Inductance (Le) 0.85mH Mechanical Q (Qms) 8.82 Electromagnetic Q (Qes) 0.34 Total Q (Qts) 0.33 Compliance Equivalent Volume (Vas) 19.99 liters / .71 cu.ft. Peak Diaphragm Displacement Volume (Vd) 67.20cc Mechanical Compliance of Suspension (Cms) 0.32mm/N BL Product (BL) 11.1 T-M Diaphram Mass inc. Airload (Mms) 18.3 grams Efficiency Bandwidth Product (EBP) 193.1 Maximum Linear Excursion (Xmax) 3.2mm Surface Area of Cone (Sd) 210.0 cm2 Maximum Mechanical Limit (Xlim) 6.9mm
MOUNTING INFORMATION Recommended Enclosure Sealed 3-10 liters/ 0.1-0.4 cu.ft. Vented 8-21 liters/0.3-0.8 cu.ft. Overall Diameter 8.24", 209.3mm Baffle Hole Diameter 7.13", 181.1mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.22", 5.6mm Mounting Holes B.C. D. 7.75", 196.9mm Depth 3.5", 88.9mm Net Weight 6.8 lbs., 3.1 kg Shipping Weight 7.5 lbs., 3.4 kg
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 Treated Paper Cone Cone Edge Composition Sealed Cloth cone edge Dustcap Composition Zurette dust cap
weight: 7.50 (lbs) UPC: 876358000074 Model #: BETA8CX
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