Nominal Impedance 8 Ohm Minimum Impedance 6.6 Ohm AES Power Handling (1) 35 W Maximum Power Handling (2) 70 W Minimum Crossover Frequency (3) 2.6 kHz Sensitivity (1W/1m) (4) 107 dB Frequency Range 2.6/20 kHz Dispersion Angle 40° Voice Coil Diameter 37 mm (1.46 in) Winding Material Al Former Material Kapton Diaphragm Material Ketone Polymer Diaphragm Shape Annular Winding Depth 2.1 mm (0.08 in) Magnetic Gap Depth 2.6 mm (0.10 in) Flux Density 1.5 T Magnet Ferrite Ring Re 5.5 Ohm Phase Plug Design Annular Exit Angle N/A NET Air Volume filled by HF Driver 0.3 dm^3 (0.011 ft^3)