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Eminence Delta Pro-18C - 4 ohm 18" 500W Pro Audio Woofer

Eminence Delta Pro-18C - 4 ohm 18" 500W Pro Audio Woofer
Ship weight
9.32 kg
Priced per:
4 ohm
Specifications Sheet:
Cabinet Design:
Your price:
CDN $257.97
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Long throw subwoofer for very small vented boxes. Over-size top plate and large pole vent help keep the coil cool.

Speaker Detail
Nominal Basket Diameter18", 457 mm
Nominal Impedance*4 Ω
Power Rating*
Program Power1000 W
Watts500 W
Resonance27 Hz
Usable Frequency Range35 Hz - 0.2 kHz
Sensitivity*94.4 dB
Magnet Weight67 oz.
Gap Height0.38", 9.7 mm
Voice Coil Diameter2.5", 64 mm
Thiele & Small Parameters
Resonant Frequency (fs)27 Hz
DC Resistance (Re)3.8 Ω
Coil Inductance (Le)2.65m H
Mechanical Q (Qms)13.24
Electromagnetic Q (Qes)0.32
Total Q (Qts)0.32
Compliance Equivalent Volume (Vas)488.8 liters / 17.26 cu.ft.
Peak Diaphragm Displacement Volume (Vd)796 cc
Mechanical Compliance of Suspension (Cms)0.25 mm/N
BL Product (BL)16.5 T-M
Diaphragm Mass Inc. Airload (MMs)137 grams
Efficiency Bandwidth Product (EBP)84
Maximum Linear Excursion (Xmax)6.7 mm
Surface Area of Cone (Sd)1188 cm2
Maximum Mechanical Limit (Xlim)15 mm
Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented 85-283 liters / 3-10 cu.ft.
Driver Volume Displaced0.212 cu.ft. / 6.01 liters
Overall Diameter18", 457.2 mm
Baffle Hole Diameter16.57", 420.9 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.28", 7.1mm
Mounting Holes B.C.D.17.25", 438.2mm
Depth8.13", 206.5 mm
Net Weight17 lbs, 7.71 kg
Shipping Weight20.5 lbs, 9.3 kgs
Materials of Construction
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsVented and extended core
Basket MaterialsDie-cast aluminum basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap
response graph

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This item: Eminence Delta Pro-18C - 4 ohm 18" 500W Pro Audio Woofer [1 item(s)]
Price for all: CDN $257.97
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