Electro Acoustic Specifications Nominal Chassis Diameter 12″ / 304.8 mm Impedance 4 /8 /16 Ω Power Handling 500 W (A.E.S.) Peak Power (6dB Crest Factor) 2000 W (A.E.S.) Usable Frequency Range (-6dB) 45 Hz – 1 kHz Sensitivity (1W – 1m) Wideband 97 dB Moving Mass (inc. Air Load) 70.8 grams Minimum Impedance (Zmin) 6.24 Ω Effective Piston Diameter 10.24″ / 260 mm Magnet Weight 105.82 oz Magnetic Gap Depth 0.32″ / 8 mm Flux Density 1.1 Tesla Coil Winding Height 0.98″ / 25 mm Voice Coil Diameter 3.0″ / 76.2 mm Speaker Type Bass Driver Speaker Series The Professional Series Program Power 1000 W (A.E.S.) Sensitivity (1W / 1m) Working band Thiele Small Parameters (TSPs) FS 43 Hz Re 5.2 Ω QMS 5.81 QES 0.254 QTS 0.244 Vas 78 Litres Vd 0.56 Litres CMS 0.196 mm/N BL 20 T/m MMS 70.8 grams Xmax 10.5 mm Sd 531.6 cm2 Efficiency 2.316% Le 2.49 mH EBP 169.29 Hz Materials of Construction Coil Former Material Glass Fibre Voice Coil Material Copper Magnet Material Ferrite Chassis Material Die-cast Aluminium Cone Material Paper Surround / Edge Termination Polyvinyl Damped Multi Roll. Poly Cotton Dust Dome Material Paper Connectors Push-button Spring Terminals Polarity Positive voltage at red terminal causes forward motion of cone Mounting / Shipping Information Overall Diameter 8.9″ / 226 mm Width Across Flats 8.25″ / 209.5 mm Flange Height 0.305″ / 7.8 mm Baffle Hole Diameter F/M 11.03″ / 280.16 mm Baffle Hole Diameter R/M 10.13″ / 257.30 mm Gasket Supplied Front & Rear Outer Fixing Holes 4x ø 0.218″ on 12.5″ PCD / 4x ø 5.5 mm on 317.5 mm PCD Inner Fixing Holes Not Applicable Depth 5.71″ / 145 mm Weight 17 lb / 7.71 Kg Recommended Enclosure Volume 25 – 65 Litres Shipping Weight 19 lb / 8.62 Kg Packing Carton Dimensions (W) 330 (D) 330 (H) 170 mm
