Eminence Delta 15LF-4 15" Midbass

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Sale price$159.99 Regular price$189.99



Delta 15LF-4  4 Ohm

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Nominal Basket Diameter 15", 381 mm
Nominal Impedance* 4 Ω
Power Rating*
Program Power 1200 W
Watts 600 W
Resonance 40 Hz
Usable Frequency Range 40 Hz - 2.2 kHz
Sensitivity* 95 dB
Magnet Weight 56 oz.
Gap Height 0.37", 9.5 mm
Voice Coil Diameter 2.5", 64 mm
Resonant Frequency (fs) 40 Hz
DC Resistance (Re) 3.37 Ω
Coil Inductance (Le) 0.76m H
Mechanical Q (Qms) 6.22
Electromagnetic Q (Qes) 0.53
Total Q (Qts) 0.49
Compliance Equivalent Volume (Vas) 253.93 liters / 8.97 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 521.2 cc
Mechanical Compliance of Suspension (Cms) 0.24 mm/N
BL Product (BL) 10.32 T-M
Diaphragm Mass Inc. Airload (MMs) 66 grams
Efficiency Bandwidth Product (EBP) 76
Maximum Linear Excursion (Xmax) 5.97 mm
Surface Area of Cone (Sd) 873 cm2
Maximum Mechanical Limit (Xlim) 16.5 mm
Recommended Enclosure Volume
Sealed 52.95-97.69 liters / 1.87-3.45 cu.ft.
Vented 75.04-154.33 liters / 2.65-5.45 cu.ft.
Driver Volume Displaced 0.128 cu.ft. / 3.62 liters
Overall Diameter 15.15", 384.8 mm
Baffle Hole Diameter 13.87", 352.3 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C.D. 14.56", 369.8mm
Depth 6.3", 160 mm
Net Weight 12.8 lbs, 5.81 kg
Shipping Weight 14.8 lbs, 6.71 kgs
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap




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