Description 1000 W Program Power. 95 dB Sensitivity (1W/1m). High-power bass driver ideally suited for use in two-way ported enclosures. Optimised cone pulp offers increased strength, durability and performance. Also works well in monitor or bass guitar applications. 2.5-inch Copper voice coil. Electro Acoustic Specifications Nominal Chassis Diameter 12″ / 304.8 mm Impedance 8 Ω Power Handling 500 W (A.E.S.) Peak Power (6dB Crest Factor) 2000 W (A.E.S.) Usable Frequency Range (-6dB) 38 Hz – 5 kHz Sensitivity (1W – 1m) 95 dB Moving Mass (inc. Air Load) 75 grams Minimum Impedance (Zmin) 7.4 Ω Effective Piston Diameter 10.67″ / 271.01 mm Magnet Weight 56 oz Magnetic Gap Depth 0.39″ / 10 mm Flux Density 0.97 Tesla Coil Winding Height 0.74″ / 19 mm Voice Coil Diameter 2.5″ / 63.5 mm Speaker Type Bass Driver Thiele Small Parameters (TSPs) FS 50 Hz Re 5.9 Ω QMS 7.5 QES 0.53 QTS 0.51 Vas 66 Litres Vd 0.298 Litres CMS 0.14 mm/N BL 16.37 T/m MMS 75 grams Xmax 5.5 mm Sd 576.1 cm2 Efficiency 1.50% Le 2.36 mH EBP 94.34 Hz Materials of Construction Coil Former Material Glass Fibre Voice Coil Material Copper Magnet Material Ferrite Chassis Material Pressed Steel Cone Material Straight Polycellulose Ribbed Cone Surround / Edge Termination Polyvinyl Damped Multi Roll. Poly Cotton Dust Dome Material Paper Connectors Solder Tag Polarity Positive voltage at red terminal causes forward motion of cone Mounting / Shipping Information Overall Diameter 12″ / 304.8 mm Width Across Flats N/A Flange Height 0.27″ / 6.9 mm Baffle Hole Diameter F/M 11.25″ / 285.75 mm Baffle Hole Diameter R/M 11.25″ / 285.75 mm Gasket Supplied Front & Rear Outer Fixing Holes 8x ø 7.0 mm on 11.75″ / 298 mm PCD Inner Fixing Holes Not Applicable Depth 5.69″ / 144.52 mm Weight 11.02 lb / 5.0 Kg Recommended Enclosure Volume 1.05 – 2.64 cu ft / 30 – 75 Litres Shipping Weight 12.89 lb / 5.85 Kg Packing Carton Dimensions (W) 330 (D) 330 (H) 170 mm
