Nominal Impedance: 4 ohms
Recommended Amplifiers: 10 to 250 Watts
Frequency Response: 25hz to 30Khz
Sensitivity: 90 dB linear for 1 watt at 1 metre
Bass Driver: 2 x 61/2” (165mm) studio professional drive units with polymer impregnated Kevlar cones and Zinc basket
Midrange Driver: 2” (50mm) soft dome with 6061 Aluminium Alloy Front Plate
Tweeter: ProAc ribbon with diaphragm ‘as light as a human hair’ alnico magnet and rear chamber damping and 6061 Aluminium Alloy Front Plate
Crossover: Finest components on dedicated dual layer circuit board; ProAc multistrand oxygen-free copper cable throughout; Split for optional bi-wiring and bi-amping
Dimensions: 46” high (1185mm) with spikes and plinths, 8.5” (215mm) wide, 13.5” (340mm) deep
Weight: 97 lbs (44 Kgs) each