Three-way, reflex-loaded dynamic loudspeaker. Drive-units: 1" (25mm) metal-dome tweeter, 6" (150mm) woven-Kevlar-cone midrange unit, 15" (380mm) paper/Kevlar-cone woofer.
Crossover frequencies: 350Hz, 4kHz.
Crossover type: third-order.
Frequency response: 32Hz-22kHz, ±3dB.
Sensitivity: 91dB/2.83V/1m.
Nominal impedance: 8 ohms (3 ohms minimum).
Recommended amplifier power: 50-1000W.
Maximum recommended cable impedance: 0.2 ohms.
Dimensions: 43.7" (1110mm) H by 20.6" (522mm) W by 27.2" (690mm) D.
Net weight: 229 lbs (104kg).