EMINENCE EDP18C Delta- Pro- 18 18'' 500 W 4 Ohm Μεγάφωνο - Alu Basket - EMINENCE EMINENCE

DELTA PRO Serie 400W

Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and monitor wedges.

SPECIFICATION Nominal Basket Diameter 18", 457mm Nominal Impedance* 4 ohms Power Rating** Watts 500W / Music Program 1000W Resonance 28Hz Usable Frequency Range*** 37Hz-250Hz Sensitivity 96 Magnet Weight 67 oz. Gap Height 0.38", 9.53mm Voice Coil Diameter 2.5", 63.5mm THIELE & Small 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) 493.19 liters / 17.41 cu. ft. Peak Diaphragm Displacement Volume (Vd) 796.00cc Mechanical Compliance of Suspension (Cms) 0.25mm/N BL Product (BL) 18.9 T-M Diaphragm Mass inc. Airload (Mms) 128.1 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 Volume Sealed N/A Vented 85-297 liters/3.0-10.5 cu. ft. Overall Diameter 18.00", 457.20mm Baffle Hole Diameter 16.57", 420.88mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.28", 7.11mm Mounting Holes B.C.D. 17.25", 438.15mm Depth 8.13", 206.50mm Net Weight 17.00 lbs., 7.71kg Shipping Weight 20.5 lbs., 9.3 kg MATERIALS of Construction Copper voice coil Polyimide former Ferrite magnet Vented and extended core Die-cast aluminum basket Paper Cone Cloth cone edge Solid composition paper dust cap