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Eminence - Deltalite II 2512


Suited for pro audio as a mid/hi or full-range and monitor. Also recommended for bass guitar. Works well in sealed or vented enclosures.

Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 500 W
Watts 250 W
Resonance 44 Hz
Usable Frequency Range 58 Hz - 4.3 kHz
Sensitivity* 99.9 dB
Magnet Weight 7 oz.
Gap Height 0.275", 7 mm
Voice Coil Diameter 2.5", 64 mm
Resonant Frequency (fs) 44 Hz
DC Resistance (Re) 5.17 Ω
Coil Inductance (Le) 0.43m H
Mechanical Q (Qms) 4.17
Electromagnetic Q (Qes) 0.45
Total Q (Qts) 0.41
Compliance Equivalent Volume (Vas) 134.88 liters / 4.76 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 255 cc
Mechanical Compliance of Suspension (Cms) 0.36 mm/N
BL Product (BL) 10.69 T-M
Diaphragm Mass Inc. Airload (MMs) 37 grams
Efficiency Bandwidth Product (EBP) 96
Maximum Linear Excursion (Xmax) 4.9 mm
Surface Area of Cone (Sd) 519.5 cm2
Maximum Mechanical Limit (Xlim) 8.5 mm
Recommended Enclosure Volume
Sealed 25.49-42.48 liters / 0.9-1.5 cu.ft.
Vented 32.56-127.43 liters / 1.15-4.5 cu.ft.
Driver Volume Displaced 0.05 cu.ft. / 1.42 liters
Overall Diameter 12.38", 314.5 mm
Baffle Hole Diameter 11.06", 280.9 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.28", 7.1mm
Mounting Holes B.C.D. 11.62", 295.2mm
Depth 6.06", 153.9 mm
Net Weight 5.1 lbs, 2.31 kg
Shipping Weight 6.8 lbs, 3.08 kgs
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Neodymium magnet
Core Details Vented core

Basket Materials Die-cast aluminum basket/ heatsink
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap