Description

Eminence Delta 12A 12 Inch Speaker

SPECIFICATIONNominal Basket Diameter 12″, 304.8mmNominal Impedance* 8 ohmsPower Rating**Watts 400WMusic Program 800WResonance 55HzUsable Frequency Range 54Hz – 5kHzSensitivity*** 98.3dBMagnet Weight 56 oz.Gap Height 0.37″, 9.53mmVoice Coil Diameter 2.5″, 63.5mmTHIELE & SMALL PARAMETERSResonant Frequency (fs) 55HzDC Resistance (Re) 6.3Coil Inductance (Le) 0.74mHMechanical Q (Qms) 5.27Electromagnetic Q (Qes) 0.46Total Q (Qts) 0.43Compliance Equivalent Volume (Vas) 81.3 liters / 2.9 cu.ft.Peak Diaphragm Displacement Volume (Vd) 125ccMechanical Compliance of Suspension (Cms) 0.21mm/NBL Product (BL) 13.5 T-MDiaphragm Mass Inc. Airload (MMs) 39 gramsEfficiency Bandwidth Product (EBP) 120Maximum Linear Excursion (Xmax) 2.4mmSurface Area of Cone (Sd) 519.5 cm2Maximum Mechanical Limit (Xlim) 9.9mmMOUNTING INFORMATIONRecommended Enclosure VolumeSealed N/aVented 25.5-85 liters / 0.9-3 cu.ft.Driver Volume Displaced 137.3 cu.in. / 2.25 litersOverall Diameter 12.03″, 305.5mmBaffle Hole Diameter 10.95″, 278.1mmFront Sealing Gasket Fitted as standardRear Sealing Gasket Fitted as standardMounting Holes Diameter 0.25″, 6.4mmMounting Holes B.C.D. 11.59″, 294.3mmDepth 5.35″, 136mmNet Weight 11.4 lbs, 5.2 kgShipping Weight 13.5 lbs, 6.1 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 felt dust cap