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Eminence DELTA PRO-18: 18 inch Pro Woofer

Price: $174.99 $164.99

Long Throw Subwoofer for very small vented boxes. Over-size top plate and large pole vent help keep the coil cool.
500 watts / 37-250Hz / 2.5″ voice coil
Die-cast aluminum basket
Available in 4 or 8 ohms

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SKU: DELTA PRO-18 Categories: , ,

Description

DELTA PRO-18: 18″ Woofer

Long Throw Subwoofer for very small vented boxes. Over-size top plate and large pole vent help keep the coil cool.

Available in 4 or 8 ohms

Click Here to Download 4 ohm PDF Spec Sheet

Click Here to Download 4 ohm PDF Cabinet Design

Click Here to Download 8 ohm PDF Spec Sheet

Click Here to Download 8 ohm PDF Cabinet Design

Specs:

Nominal Basket Diameter 18”, 457mm

Nominal Impedance* 8 ohms

Power Rating Watts 500W

Music Program 1000W

Resonance 28Hz

Usable Frequency Range 37Hz-250Hz

Sensitivity*** 96

Magnet Weight 67 oz.

Gap Height 0.380”, 9.53mm

Voice Coil Diameter 2.5”, 63.5mm

Thiele & Parameters:

Resonant Frequency (fs) 28Hz

DC Resistance (Re) 5.3

Coil Inductance (Le) 3.43mH

Mechanical Q (Qms) 10.38

Electromagnetic Q (Qes) 0.33

Total Q (Qts) 0.32

Compliance Equivalent Volume (Vas) 493.2 liters / 17.41cu.ft.

Peak Diaphragm Displacement Volume (Vd) 796cc

Mechanical Compliance of Suspension (Cms) 0.25mm/N

BL Product (BL) 18.9 T-M Diaphram Mass inc.

Airload (Mms) 128 grams

Efficiency Bandwidth Product (EBP) 84

Maximum Linear Excursion (Xmax) 6.7mm

Surface Area of Cone (Sd) 1188.0 cm2

Maximum Mechanical Limit (Xlim) 15.0mm

Mounting Information:

Recommended Enclosure

Sealed N/A

Vented 85-297 liters/3.0-10.5 cu.ft.

Overall Diameter 18.00”, 457.2mm

Baffle Hole Diameter 16.57”, 420.9mm

Front Sealing Gasket Fitted as standard

Rear Sealing Gasket Fitted as standard

Mounting Holes Diameter 0.28”, 7.1mm

Mounting Holes B.C. D. 17.25”, 438.2mm

Depth 8.13”, 207mm

Net Weight 17.0 lbs, 7.7 kg

Shipping Weight 20.5 lbs, 9.3 kg

Materials of Construction:

Coil Construction Copper voice coil

Coil Former Polyimide former

Magnet Composition Ferrite magnet

Core Details Vented and extended core

Basket Materials Die-cast aluminum basket

Cone Composition Paper cone

Cone Edge Composition Cloth cone edge

Dustcap Composition Solid composition paper dust cap