Principle / DIN Ø bandpass enclosure with 12" bass driver Power Handling 500/1.200 watts Impedance 3 ohms Frequency response 19-250 Hz Sound pressure level 92 dB Weight 23 Kg Highlights AF Tech Woofer AF Tech = Airflow Technology Innovative aluminium die-cast basket with aerodynamically designed basket struts minimising air turbulence and therefore ensuring as far as possible, compression-free throw. Largest possible air vents reduce turbulence and precisely calculated cooling surfaces worked into the basket help improve heat conduction away from the 3? highly efficient voice coil made from Japanese high-performance TOTOKU wire. Horn-case technology for maximum efficiency Aluminium horn attachment to reduce ventilation noises MDF case with multiple struts Loudspeaker fastenings with metric screws Anti-slip covering with logo stick in two colours with sophisticated design Nickel-plated screw terminal