| Technical Features Free-mounted Nautilus™ tweeter |
| -Kevlar® brand fibre cone bass/midrange |
| - Flowport™ |
| Description 2-way vented-box system |
| Drive units 1x ø165mm (6.5 in) woven Kevlar® cone bass/midrange |
| - 1x ø25mm (1 in) alloy dome high-frequency |
| Frequency range -6dB at 43Hz and 50kHz |
| Frequency response 46Hz – 25kHz ±3dB on reference axis |
| Dispersion Within 2dB of reference response |
| Horizontal: over 40º arc |
| Vertical: over 10º arc |
| Sensitivity 89dB spl (2.83V, 1m) |
| Harmonic Distortion 2nd and 3rd harmonics (90dB, 1m) |
| <1% 90Hz – 20kHz |
| <0.5% 150Hz – 18kHz |
| Nominal Impedance 8? (minimum 4.6?) |
| Crossover frequency 3.7kHz |
| Recommended Amplifier Power 50W – 120W into 8? on unclipped programme |
| Max. Recommended Cable Impedance 0.1? |
| Dimensions : |
| - Height: 421mm |
| - Width: 222mm |
| - Depth: 319mm |
| Net weight 9.5kg |
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