*We do not stock this woofer at our store, but we can have it dropped shipped to your door from Eminence's warehouse.

Click Here to Download PDF Spec Sheet
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DEFINIMAX™ 4012HO
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*** 94
Magnet Weight 109 oz.
Gap Height 0.375", 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
Diaphram Mass inc. Airload (Mms) 86 grams
Efficiency Bandwidth Product (EBP) 121
Maximum Linear Excursion (Xmax) 6.2mm
Surface Area of Cone (Sd) 552.0 cm2
Maximum Mechanical Limit (Xlim) 11.2mm

MOUNTING INFORMATION
Recommended Enclosure
Sealed 26-31 liters/ 0.9-1.1 cu.ft.
Vented 36-79 liters/ 1.3-2.8 cu.ft.
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 kg

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
Dustcap Composition Pop-on dust cap