HD2080T Features • 109 dB SPL 1W / 1m average sensitivity • 2 inch exit throat • 3 inch edgewound aluminum voice coil • 200W program power handling • Polyethilene - Titanium diaphragm assembly • Copper shorting ring on pole pieces • Specifications • Throat Diameter51 mm (2.0 in) • Nominal Impedance8 Ω • Minimum Impedance8.0 Ω • Nominal Power Handling1100 W • Continuous Power Handling2200 W • Sensitivity3109.0 dB • Frequency Range0.5 - 20.0 kHz • Recommended Crossover40.8 kHz • Voice Coil Diameter75 mm (3.0 in) • Winding MaterialAluminum • Inductance1.8 mH • Diaphragm MaterialTitanium - Pen • Magnet MaterialFerrite