Tech Specs - Type: 3-way bass-reflex floorstanding loudspeaker - Speaker drivers: 2 x 81/4" (21cm) Slatefiber woofers, 6 1/2" (16.5cm) Slatefiber Midrange, 1” (25mm) Al/Mg ‘M’-shaped inverted dome TAM tweeter - Sensitivity (2.83V/1m): 92dB - Frequency response (+/-3dB): 40Hz - 30kHz - Low frequency point (-6dB): 34Hz - Nominal impedance: 8 Ω - Minimum impedance: 2.6 Ω - Recommended amplifier power: 40 - 350W - Crossover frequency: 280Hz / 2,800Hz - Dimensions (WxDxH) 12x167/8x443/8" (30.4x43x112.6cm) - Net weight (with grille): 69.45lbs (31.5kg) - Packaging dimensions (WxDxH): 181/8x235/8x491/4" (46x60x125cm) - Net weight (with packaging): 83lbs (38.5kg)