Eminence Beta-8cx 8" Pro Mid Range Spkr; 500w Max; 8 Ohms W/copper Voice Coil & Treated Paper Cone (beta8cx)

This item is brand-new, factory sealed.

This table charts the specifications for the BETA-8CX speaker
* Nominal Basket Diameter: 8-in , 203 mm.
* Nominal Impedance: 8 Ohms.
* Power Rating:
* Watts: 250 W.
* Music Program: 500 W.
* Resonance: 62 Hz.
* Usable Frequency Range: 95 Hz - 3.3 kHz.
* Sensitivity: 92.9 dB.
* Magnet Weight: 38 oz..
* Gap Height: 0.312-in , 7.9 mm.
* Voice Coil Diameter: 2-in , 51 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 62 Hz.
* DC Resistance (Re): 5.37 Ohms.
* 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.
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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-in , 209.3 mm.
* Baffle Hole Diameter: 7.13-in , 181.1 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: Yes.
* Mounting Holes Diameter: 0.22-in , 5.6mm.
* Mounting Holes B.C.D.: 7.75-in , 196.9mm.
* Depth: 3.5-in , 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.
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* Basket Materials: Pressed steel basket.
* Cone Composition: Paper Cone.
* Cone Edge Composition: Sealed cloth cone edge.
* Dust Cap Composition: Zurette dust cap.