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Eminence Delta-12LFA - 8 ohm 12" 500W Low Frequency Pro Audio Woofer

Eminence Delta-12LFA - 8 ohm 12" 500W Low Frequency Pro Audio Woofer
Ship weight
6.36 kg
Priced per:
8 ohm
Your price:
CDN $135.97
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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 in vented, bass guitar or PA enclosures.

Speaker Detail
Nominal Basket Diameter12", 305 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power1000 W
Watts500 W
Resonance51 Hz
Usable Frequency Range44 Hz - 3 kHz
Sensitivity*94.6 dB
Magnet Weight56 oz.
Gap Height0.37", 9.5 mm
Voice Coil Diameter2.5", 64 mm
Thiele & Small Parameters
Resonant Frequency (fs)51 Hz
DC Resistance (Re)6.06 Ω
Coil Inductance (Le)1.45m H
Mechanical Q (Qms)7.28
Electromagnetic Q (Qes)0.51
Total Q (Qts)0.47
Compliance Equivalent Volume (Vas)67.9 liters / 2.4 cu.ft.
Peak Diaphragm Displacement Volume (Vd)243 cc
Mechanical Compliance of Suspension (Cms)0.19 mm/N
BL Product (BL)14.1 T-M
Diaphragm Mass Inc. Airload (MMs)51 grams
Efficiency Bandwidth Product (EBP)100
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 19.8-28 liters / 0.7-1 cu.ft.
Vented 25.5-102 liters / 0.9-3.6 cu.ft.
Driver Volume Displaced0.079 cu.ft. / 2.25 liters
Overall Diameter12.03", 305.6 mm
Baffle Hole Diameter11.07", 281.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.25", 6.4mm
Mounting Holes B.C.D.11.59", 294.4mm
Depth5.35", 135.9 mm
Net Weight11.8 lbs, 5.35 kg
Shipping Weight14 lbs, 6.35 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented and extended core
Basket MaterialsPressed steel basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap
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