Three-way, reflex-loaded, floorstanding loudspeaker.
Drive-units: 1" (25mm) ring-radiator tweeter; 5.5" (140mm) paper-cone midrange unit; two 6" (153mm) paper-cone woofers.
Crossover filters: first-order, "optimized for acoustic phase response."
Frequency range: 32Hz-40kHz.
Sensitivity: 90dB/2.83V/m.
Nominal impedance: 4 ohms.
Power handling: 50-300W without clipping.
Dimensions: 42.9" (1090mm) H by 8.9" (225mm) W by 18.1" (460mm) D.
Weight: 75 lbs (34kg) each.