Introduced 2001
Type 5-way loudspeaker
Frequency response 20Hz – 28KHz +/- 3dB
Efficiency 87dB/W at 1 metre
Nominal Impedance 4 Ohms
Width (including base) 420mm (16.6 inches)
Depth (including base) 520mm (20.5 inches)
Height (including base) 1163.5mm including spikes (45.8 inches)
Weight (including base) 80kg each (176lbs)