Eminence Defini Max 4012 HO (Eminence DEFINIMAX 4012HO)

Pro Series 12" Raw Woofer

Specification
Nominal Basket Diameter 12", 304.8mm
Nominal Impedance* 8 ohms
Power Rating**
Watts 600W
Music Program 1200W
Resonance 46Hz
Usable Frequency Range 49Hz - 2.5kHz
Sensitivity*** 94dB
Magnet Weight 109 oz.
Gap Height 0.37", 9.53mm
Voice Coil Diameter 4", 101.6mm

Thiele & Small Parameters
Resonant Frequency (fs) 46Hz
DC Resistance (Re) 5.85
Coil Inductance (Le) 1.17mH
Mechanical Q (Qms) 5.74
Electromagnetic Q (Qes) 0.38
Total Q (Qts) 0.35
Compliance Equivalent Volume (Vas) 59.4 liters / 2.1 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 342cc
Mechanical Compliance of Suspension (Cms) 0.14mm/N
BL Product (BL) 19.6 T-M
Diaphragm Mass Inc. Airload (MMs) 86 grams
Efficiency Bandwidth Product (EBP) 121
Maximum Linear Excursion (Xmax) 6.2mm
Surface Area of Cone (Sd) 552 cm2
Maximum Mechanical Limit (Xlim) 11.2mm

Mounting Information
Recommended Enclosure Volume
Sealed 26-31 liters / 0.9-1.1 cu.ft.
Vented 36-79 liters / 1.3-2.8 cu.ft.
Driver Volume Displaced 179.3 cu.in. / 2.94 liters
Overall Diameter 12.38", 314.3mm
Baffle Hole Diameter 11.06", 281mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.28", 7.1mm
Mounting Holes B.C.D. 11.59", 294.3mm
Depth 5.32", 135mm
Net Weight 22.5 lbs, 10.2 kg
Shipping Weight 29 lbs, 13.1 kgs

Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Undercut with copper shorting ring and Core Periphery Ventilation

Basket Materials Die-cast aluminum basket
Cone Composition Paper Cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Pop-on dust cap