Nominal Basket Diameter Impedance Power RatingResonanceUsable Frequency RangeSensitivityMagnet WeightGap HeightVoice Coil Diameter
Mounting Information Recommended Enclosure Volume (vented)Overall Diameter Baffle Hole Diameter Front Sealing GasketRear Sealing Gasket Mounting Holes Diameter Mounting Holes B.C.D. DepthShipping Weight
Thiele-Small ParametersResonant Frequency (fs)Impedance (Re) Coil Inductance (Le)Electromagnetic Q (Qes)Mechanical Q (Qms)Total Q (Qts)Compliance Equivalent Volume (Vas)Peak Diaphragm Displacement Volume (Vd)Mechanical Compliance of Suspension (Cms)BL Product (BL)Diaphragm Mass inc. Airload (Mms)Equiv. Resistance of Mechanical Suspension Loss (Rms)Efficiency Bandwidth Product (EBP)Voice Coil Overhang (Xmax)Surface Area of Cone (Sd)Impedance at Resonance (Zmax)Maximum Mechanical Limit (Xmech)
12", 304.8mm8 ohms or 16 ohms400Wrms 55Hz 55Hz - 5kHz click here for guide 56oz. 0.375", 9.52mm2.5", 63.5mm
64 - 106 liters 2.25 - 3.75 cu. ft.12.02", 305.2mm10.97", 278.6mmfitted as standardfitted as standard0.25", 6.4mm11.63", 295.3mm5.35", 136mm13.2lbs., 6 kg.
55Hz6.3 ohms0.74mH0.465.270.4381.3 liters2.87 cu. ft.82cc0.21mm/N13.5 T-M39 grams2.55N*sec/M1191.6mm519.5cm278 ohms19.81mm
Eminence response curves are measured under the following controlled test conditions:
To download spec sheets: Delta 12A - 8 ohm Delta 12B - 16 ohm
Application NotesPerformance optimized for sound reinforcement systems. Also suitable for lead and bass guitar, keyboards, guitar combos, club music systems, and stage monitors._______________
Materials of Construction
Kapton coil former forincreased rigidity and thermal protection
Polyamide-imide coated two-layer, 29ga., aluminum voice coil for lower mass and increased sensitivity
Ferrite Magnet
Vented core for increased power- handling
Premium pressed steel basket for maximum strength
Paper cone
Cloth cone edge
Solid composition felt dust cap