Home / DE770ND Specifications TYPE Compression driver Exit Throat Diameter 36 mm/1.4 in Rated impedance 8 ohm Nominal (AES) 350 W Continuous Program 700 W Sensitivity(1w/1m) 110 dB Frequency Range 800Hz-19000Hz Voice Coil Diameter 75 mm/3 in Voice Coil Material CCAR out Mounting lnformation Overall Diameter φ124 mm/φ4.9 in Bolt Circle Diameter φ102 mm/φ4.0 in Bolt Hole Diameter 4-M6mm/4-M0.24 in Depth 58 mm/2.3 in Thiele Small Parameters Fs 800 Hz Re 5.6ohm Diaphragm Material Titanium Suspension Material Titanium Magnet Neodymium Phase plug Plastic Shipping lnformation Net Weight ( 1unit) 2.2 kg Shipping Weight (8unit) 18.8kg Package Size (8unit) 29*29*19cm