| Woven Kevlar |  |
| Crossover Tuning | |
| Nautilus Tapering Tube | |
| Flowport | |
| Mushrooms | |
| FST | |
| Technical features | Nautilus™ tube loaded aluminium dome tweeter |
| | Kevlar® brand fibre cone FST™ midrange |
| | Aluminium/paper/Kevlar® cone bass driver |
| | Flowport™ |
| Description | 3-way vented-box system |
| Drive units | 1x ø25mm (1 in) aluminium dome high-frequency |
| | 1x ø150mm (6 in) woven Kevlar® cone FST™ midrange |
| | 2x ø165mm (6.5 in) Aluminium/paper/Kevlar® cone bass |
| Frequency range | -6dB at 30Hz and 50kHz |
| Frequency response | 38Hz - 22kHz ±3dB on reference axis |
| Dispersion | Within 2dB of reference response |
| | Horizontal: over 60º arc |
| | Vertical: over 10º arc |
| Sensitivity | 90dB spl (2.83V, 1m) |
| Harmonic distortion | 2nd and 3rd harmonics (90dB, 1m) |
| | <1% 90Hz - 22kHz |
| | <0.5% 120Hz - 20kHz |
| Nominal impedance | 8Ω (minimum 3.0Ω) |
| Crossover frequencies | 350Hz, 4kHz |
| Crossover Filters | 1st Order – tweeter |
| | 2nd Order – midrange low pass |
| | 2nd Order – midrange high pass |
| | 3rd Order – bass |
| Recommended amplifier power | 25W - 200W into 8Ω on unclipped programme |
| Max. recommended cable impedance | 0.1Ω |
| Dimensions | Height: 985mm (38.8 in) (not including plinth or feet) |
| | Width: 198mm (7.8 in) |
| | Depth: 340mm (13.4 in) |
| Net weight | 26kg (57.3 lb) |
