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.
SPECIFICATION :
Nominal Basket Diameter 12" , 305 mm
Nominal Impedance* 8 ©
Power Rating* *
Watts 250 W
Music Program 500 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
EMINENCE DELTALITE 2512
THIELE & SMALL PARAMETERS :
Resonant Frequency ( fs) 44 Hz
DC Resistance ( Re) 5.17 ©
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
MOUNTING INFORMATION :
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
MATERIALS OF CONSTRUCTION :
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