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Eminence Definimax 4015ULF - 8 ohm 15" 1200W Pro Audio Woofer

Eminence Definimax 4015ULF - 8 ohm 15" 1200W Pro Audio Woofer
Ship weight
11.82 kg
Priced per:
8 ohm
Your price:
CDN $336.48
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A high-power, ultra low frequency enhanced version of the popular Definimax 4015LF. Perfect for horn loading, or in micro-sized vented subwoofers for lots of clean punch and deep lows.

Speaker Detail
Nominal Basket Diameter15", 381 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power2400 W
Watts1200 W
Resonance38 Hz
Usable Frequency Range35 Hz - 0.2 kHz
Sensitivity*93 dB
Magnet Weight109 oz.
Gap Height0.37", 9.5 mm
Voice Coil Diameter4", 102 mm
Thiele & Small Parameters
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
Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented 48.14-148.66 liters / 1.7-5.25 cu.ft.
Driver Volume Displaced0.152 cu.ft. / 4.31 liters
Overall Diameter15.21", 386.3 mm
Baffle Hole Diameter14", 355.6 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.28", 7.1mm
Mounting Holes B.C.D.14.56", 369.8mm
Depth6.56", 166.6 mm
Net Weight23.7 lbs, 10.75 kg
Shipping Weight26 lbs, 11.79 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerKapton former
Magnet CompositionFerrite magnet
Core DetailsUndercut with aluminum shorting ring and Core Periphery Ventilation
Basket MaterialsDie-cast aluminum basket
Cone CompositionWater resistant paper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionWater resistant treated paper dust cap
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This item: Eminence Definimax 4015ULF - 8 ohm 15" 1200W Pro Audio Woofer [1 item(s)]
Price for all: CDN $336.48
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