| Technical features Nautilus™ tube loaded aluminium dome tweeter |
| - Kevlar® brand fibre cone FST midrange |
| - Flowport™ |
| Description 3-way vented-box system |
| Drive units 1x ø25mm (1 in) aluminium dome high-frequency |
| - 1x ø130mm (5 in) woven Kevlar® cone FST midrange |
| - 1x ø165mm (6.5 in) paper/Kevlar® cone bass |
| Frequency range -6dB at 34Hz and 50kHz |
| Frequency response 62Hz - 22kHz ±3dB on reference axis |
| Dispersion Within 2dB of reference response |
| Horizontal: over 60º arc |
| Vertical: over 10º arc |
| Sensitivity 88dB spl (2.83V, 1m) |
| Harmonic distortion 2nd and 3rd harmonics (90dB, 1m) |
| <1% 100Hz - 22kHz |
| <0.5% 150Hz - 20kHz |
| Nominal impedance 8? (minimum 3.0?) |
| Crossover frequencies 350Hz, 4kHz |
| Bass unit 3rd order low pass |
| Midrange 2nd-order high-pass, 1st order low-pass |
| Tweeter 1st-order high-pass |
| Recommended amplifier power 30W - 150W into 8? on unclipped programme |
| Max. recommended cable impedance 0.1? |
| Dimensions : |
| Height: 910mm (not including feet) |
| Width: 200mm |
| Depth: 300mm (including grille and terminals) |
| Net weight 20kg |
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