Type: 3 way, 3 driver loudspeaker system
Frequency Response: 50Hz to 20kHz
Recommended Amplifier: 10 to 150W
Impedance: 4Ω
Sensitivity: 89dB
Bass: 1 x B139
Midbass: 1 x B160
Tweeter: 1 x 25mm
Enclosure: 47 litre, closed box
Finish: walnut, rosewood, black ash veneer
Dimensions: 850 x 265 x 315mm
Weight: 19.8kg
Year: 1988