Eminence Delta-12LFC - 4 ohm 12" 500W Low Frequency Pro Audio Woofer

SKU: 555-023

Canadian Dollar Price:
Sale price$194.99
In stock (6 units)


Low frequency woofer for pro audio mid-bass or floor monitor applications in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures.

Manufacturer Spec Sheet

Example Cabinet Designs

Speaker Detail
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 4 Ω
Power Rating*
Program Power 1000 W
Watts 500 W
Resonance 52 Hz
Usable Frequency Range 45 Hz - 2.3 kHz
Sensitivity* 93.1 dB
Magnet Weight 56 oz.
Gap Height 0.37", 9.5 mm
Voice Coil Diameter 2.5", 64 mm
Thiele & Small Parameters
Resonant Frequency (fs) 52 Hz
DC Resistance (Re) 3.2 Ω
Coil Inductance (Le) 0.94m H
Mechanical Q (Qms) 8.21
Electromagnetic Q (Qes) 0.47
Total Q (Qts) 0.44
Compliance Equivalent Volume (Vas) 63.7 liters / 2.25 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 243 cc
Mechanical Compliance of Suspension (Cms) 0.17 mm/N
BL Product (BL) 10.9 T-M
Diaphragm Mass Inc. Airload (MMs) 53 grams
Efficiency Bandwidth Product (EBP) 111
Maximum Linear Excursion (Xmax) 4.8 mm
Surface Area of Cone (Sd) 506.7 cm2
Maximum Mechanical Limit (Xlim) 13.5 mm
Mounting Information
Recommended Enclosure Volume
Sealed 21-74 liters / 0.7-2.6 cu.ft.
Vented 28-110 liters / 1-3.9 cu.ft.
Driver Volume Displaced 0.079 cu.ft. / 2.25 liters
Overall Diameter 12.03", 305.6 mm
Baffle Hole Diameter 11.07", 281.2 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C.D. 11.59", 294.4mm
Depth 5.35", 135.9 mm
Net Weight 11.8 lbs, 5.35 kg
Shipping Weight 14 lbs, 6.35 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Kapton former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Pressed steel basket
Cone Composition Treated paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap

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