Eminence Beta 8A 8″ Loudspeaker

Description

Eminence Beta 8A 8 Inch Loudspeaker

SPECIFICATIONNominal Basket Diameter 8″, 203.2mmNominal Impedance* 8 ohmsPower Rating**Watts 225WMusic Program 450WResonance 65HzUsable Frequency Range 78Hz – 4.5kHzSensitivity*** 95.1dBMagnet Weight 34 oz.Gap Height 0.31″, 7.92mmVoice Coil Diameter 2″, 50.8mmTHIELE & SMALL PARAMETERSResonant Frequency (fs) 65HzDC Resistance (Re) 5.99Coil Inductance (Le) 0.49mHMechanical Q (Qms) 4.95Electromagnetic Q (Qes) 0.42Total Q (Qts) 0.38Compliance Equivalent Volume (Vas) 23.3 liters / 0.82 cu.ft.Peak Diaphragm Displacement Volume (Vd) 63ccMechanical Compliance of Suspension (Cms) 0.37mm/NBL Product (BL) 9.6 T-MDiaphragm Mass Inc. Airload (MMs) 16 gramsEfficiency Bandwidth Product (EBP) 156Maximum Linear Excursion (Xmax) 3mmSurface Area of Cone (Sd) 210 cm2Maximum Mechanical Limit (Xlim) 7.4mmMOUNTING INFORMATIONRecommended Enclosure VolumeSealed 5.7-9.9 liters / 0.2-0.35 cu.ft.Vented 8.5-19 liters / 0.3-0.67 cu.ft.Driver Volume Displaced 46.3 cu.in. / 0.76 litersOverall Diameter 8.24″, 209.2mmBaffle Hole Diameter 7.13″, 181mmFront Sealing Gasket Fitted as standardRear Sealing Gasket Fitted as standardMounting Holes Diameter 0.22″, 5.5mmMounting Holes B.C.D. 7.75″, 196.9mmDepth 3.5″, 89mmNet Weight 6.6 lbs, 3 kgShipping Weight 7.4 lbs, 3.4 kgsMATERIALS OF CONSTRUCTIONCoil Construction Aluminum voice coilCoil Former Polyimide formerMagnet Composition Ferrite magnetCore Details Vented core Basket Materials Pressed steel basketCone Composition Paper ConeCone Edge Composition Cloth cone edgeDust Cap Composition Solid composition paper dust cap