Nothing looks, or sounds, quite like Nautilus™. A revolution when it launched and still an icon today. Its ethos informs everything we do. Nautilus comes in three standard colors: midnight blue, black, and silver. We also offer a special service that can match any color from a sample or color reference. Nautilus™ tube loading Active crossover 4-way tube-loaded loudspeaker system 1x 300mm (12 in) aluminium cone bass 1x 100mm (4 in) aluminium/polymer sandwich cone lower midrange 1x 50mm (2 in) aluminium dome upper midrange 1x 25mm (1 in) aluminium dome high-frequency -6dB at 10Hz and 25kHz 40Hz – 20kHz ±1dB on reference axis Within 2dB of response on reference axis Horizontal: over 60º arc Vertical: over 10º arc 4 channels per speaker, rated 100W - 300W continuous into 8? on unclipped programme (each channel to have identical gain and phase)