Specifications:
Type: 3 way, 4 driver loudspeaker system
Frequency Response: 28Hz to 20kHz
Recommended Amplifier: 25 to 60W
Crossover Frequency: 150, 375, 3000Hz
Impedance: 4Ω
Sensitivity: 98dB
Sub Bass: 1 x 205mm bextrene cone
Bass: 1 x 205mm bextrene cone
Midrange: 1 x 100mm cone
Tweeter: 1 x dome
Enclosure: active transmission line
Dimensions: 350 x 350 x 680mm
Weight: 18.5kg (each)
Year: 1976
