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.
SPECIFICATION
Nominal Basket Diameter
15", 381 mm
Nominal Impedance*
8 Ω
Power Rating*
Program Power
2400 W
Watts
1200 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
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 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
MATERIALS OF CONSTRUCTION
Coil Construction
Copper voice coil
Coil Former
Kapton former
Magnet Composition
Ferrite magnet
Core Details
Undercut with aluminum shorting ring and Core-Periphery Ventilation
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