For all high power bass applications including bass guitar. Nominal Basket Diameter Impedance Power Rating Resonance Usable Frequency Range Sensitivity Magnet Weight Gap Height Voice Coil Diameter
Mounting Information Recommended Enclosure Volume (vented) Overall Diameter Baffle Hole Diameter Front Sealing Gasket Rear Sealing Gasket Mounting Holes Diameter Mounting Holes B.C.D. Depth Shipping Weight
Thiele-Small Parameters Resonant 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", 304.8mm 8 ohms 225Wrms 45Hz 45Hz - 8kHz click here for guide 38oz. 0.312", 7.94mm 2", 50.8mm
64 - 106 liters 2.25 - 3.75 cu. ft. 12.02", 305.2mm 10.97", 278.6mm fitted as standard fitted as standard 0.25", 6.4mm 11.63", 295.3mm 4.47", 113.5mm 9.6lbs., 4.4 kg.
45Hz 7.37 ohms 0.83mH 0.55 6.44 0.51 136.3 liters 4.81 cu. ft. 42cc 0.34mm/N 11.7 T-M 36 grams 1.59N*sec/M 83 0.8mm 532.4cm2 94 ohms 17.27mm
Eminence response curves are measured under the following controlled test conditions:
To download spec sheets: Beta 12 LT
Application Notes
A twin-cone model for full range output in compact P.A. systems. The addition of the second cone gives extended high frequency response up to a useful 8kHz.
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Materials of Construction
Kapton coil former for increased rigidity and thermal protection
Polyamide-imide coated two-layer, 32ga., copper voice coil for improved power handling and durability.
Ferrite Magnet
Vented core for increased power handling
Premium pressed steel basket for maximum strength
Paper cone
Cloth cone edge
Solid composition paper dust cap