Enclosure Type: 3 way ported.
Recommended Amplifier: 25 – 150 Watts.
Frequency Response: 46Hz to 20kHz.
Crossover Frequency: 300Hz and 3kHz.
Sensitivity: 91dB.
Nominal Impedance: 8 Ohms.
Drivers: 1 x 26mm metal dome.
1 x 160mm Kevlar cone.
2 x 200mm Cobex cone.
Dimensions: 236 x 965 x 407mm (Width x Height x Depth).
Weight: 24kg.
Year: 1990.