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Eminence Definimax 4015 ULFA – 15″ Speaker 1200 W 8 Ohm


Customer are advise to contact our office, if you intend to purchase four or more of this product, as we might be able to offer a discount, on price per item and shipping.


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SKU: EDM4015ULFA Category:


Eminence Definimax 4015

Eminence Definimax 4015  is a high-power, ultra-low frequency enhanced version of the popular Definimax 4015LF. Perfect for horn loading, or in small to medium-sized vented subwoofers for lots of clean punch and deep lows.


Nominal Basket Diameter: 15″, 381 mm
Nominal Impedance*: 8 Ω
Power Rating**
Watts: 1200 W
Music Program: 2400 W
Resonance: 38 Hz
Usable Frequency Range: 35 Hz – 0.2 kHz
Sensitivity***: 93 dB
Magnet Weight: 109 oz.
Gap Height: 0.375″, 9.5 mm
Voice Coil Diameter: 4″, 102 mm

Resonant Frequency (fs): 38 Hz
DC Resistance (Re): 6.19 Ω
Coil Inductance (Le): 4.43m H
Mechanical Q (Qms): 10.27
Electromagnetic Q (Qes): 0.35
Total Q (Qts): 0.34
Compliance Equivalent Volume (Vas): 101.79 liters / 3.59 cu.ft.
Peak Diaphragm Displacement Volume (Vd): 625 cc
Mechanical Compliance of Suspension (Cms): 0.1 mm/N
BL Product (BL): 26.79 T-M
Diaphragm Mass Inc. Airload (MMs): 173 grams
Efficiency Bandwidth Product (EBP): 107
Maximum Linear Excursion (Xmax): 7.3 mm
Surface Area of Cone (Sd): 856.3 cm2
Maximum Mechanical Limit (Xlim): 15.5 mm

Recommended Enclosure Volume
Sealed: N/a
Vented: 48.14-148.66 liters / 1.70-5.25 cu.ft.
Driver Volume Displaced: 0.152 cu.ft. / 4.31 liters
Overall Diameter: 15.21″, 386.3 mm
Baffle Hole Diameter: 14″, 355.6 mm
Front Sealing Gasket: Yes
Rear Sealing Gasket: Yes
Mounting Holes Diameter: 0.28″, 7.1mm
Mounting Holes B.C.D.: 14.56″, 369.8mm
Depth: 6.56″, 166.6 mm
Net Weight: 23.7 lbs, 10.75 kg
Shipping Weight: 26 lbs, 11.79 kgs

Coil Construction: Copper voice coil
Coil Former: Kapton former
Magnet Composition: Ferrite magnet
Core Details: Undercut with aluminum shorting ring and Core Periphery Ventilation
Basket Materials: Die-cast aluminum basket
Cone Composition: Water resistant paper cone
Cone Edge Composition: Cloth cone edge
Dust Cap Composition: Water resistant treated paper dust cap


For a more detailed information please contact Eminence Com

Additional information

Weight 11.1 kg