PROAUDIO HY-1816 IN SOUTH AFRICA

Specification Nominal Basket Diameter 18″, 457.2mm Nominal Impedance* 8 ohms Power Rating** Watts 500W Music Program 1000W Resonance 28Hz Usable Frequency Range 35Hz – 2kHz Sensitivity*** 97dB Magnet Weight 125 oz. Gap Height 0.37″, 9.53mm Voice Coil Diameter 4″, 100mm Thiele & Small Parameters Resonant Frequency (fs) 28Hz DC Resistance (Re) 6.29 Coil Inductance (Le) 1.9mH Mechanical Q (Qms) 8.28 Electromagnetic Q (Qes) 0.3 Total Q (Qts) 0.29 Compliance Equivalent Volume (Vas) 441.2 liters / 15.6 cu.ft. Peak Diaphragm Displacement Volume (Vd) 695cc Mechanical Compliance of Suspension (Cms) 0.24mm/N BL Product (BL) 22.1 T-M Diaphragm Mass Inc. Airload (MMs) 130 grams Efficiency Bandwidth Product (EBP) 93 Maximum Linear Excursion (Xmax) 6.1mm Surface Area of Cone (Sd) 1140 cm2 Maximum Mechanical Limit (Xlim) 18mm Mounting Information Recommended Enclosure Volume Sealed N/a Vented 93-212 liters / 3.3-7.5 cu.ft. Driver Volume Displaced 403.9 cu.in. / 6.62 liters Overall Diameter 18″, 457.2mm Baffle Hole Diameter 16.56″, 420.5mm 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 8.15″, 207mm Net Weight 24.5 lbs, 11.1 kg Shipping Weight 28.1 lbs, 12.8 kgs 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 Dust Cap Composition Solid composition paper dust cap